Home / 847,030.60-1,270,545.90-286,065.10

Finding the Fourth Proportional to 847,030.60, 1,270,545.90 and 286,065.10

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Solution

The fourth proportional to 847,030.60, 1,270,545.90 and 286,065.10 is: 429,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,030.60 : 1,270,545.90 = 286,065.10 : x
  2. Step 2: Convert to fraction form
    847,030.60/1,270,545.90 = 286,065.10/x
  3. Step 3: Cross multiply
    847,030.60x = 1,270,545.90 × 286,065.10
  4. Step 4: Simplify right side
    847,030.60x = 363,458,839,938.09
  5. Step 5: Solve for x
    x = 363,458,839,938.09/847,030.60
  6. Step 6: Final answer
    x = 429,097.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.