Home / 749,030.60-1,123,545.90-276,055.40

Finding the Fourth Proportional to 749,030.60, 1,123,545.90 and 276,055.40

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Solution

The fourth proportional to 749,030.60, 1,123,545.90 and 276,055.40 is: 414,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,030.60 : 1,123,545.90 = 276,055.40 : x
  2. Step 2: Convert to fraction form
    749,030.60/1,123,545.90 = 276,055.40/x
  3. Step 3: Cross multiply
    749,030.60x = 1,123,545.90 × 276,055.40
  4. Step 4: Simplify right side
    749,030.60x = 310,160,912,842.86
  5. Step 5: Solve for x
    x = 310,160,912,842.86/749,030.60
  6. Step 6: Final answer
    x = 414,083.10

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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.