Home / 847,233.80-1,270,850.70-286,260.20

Finding the Fourth Proportional to 847,233.80, 1,270,850.70 and 286,260.20

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Solution

The fourth proportional to 847,233.80, 1,270,850.70 and 286,260.20 is: 429,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,233.80 : 1,270,850.70 = 286,260.20 : x
  2. Step 2: Convert to fraction form
    847,233.80/1,270,850.70 = 286,260.20/x
  3. Step 3: Cross multiply
    847,233.80x = 1,270,850.70 × 286,260.20
  4. Step 4: Simplify right side
    847,233.80x = 363,793,975,552.14
  5. Step 5: Solve for x
    x = 363,793,975,552.14/847,233.80
  6. Step 6: Final answer
    x = 429,390.30

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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.