Home / 1,377,358.60-2,066,409.66-478,850.10

Finding the Fourth Proportional to 1,377,358.60, 2,066,409.66 and 478,850.10

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Solution

The fourth proportional to 1,377,358.60, 2,066,409.66 and 478,850.10 is: 718,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,358.60 : 2,066,409.66 = 478,850.10 : x
  2. Step 2: Convert to fraction form
    1,377,358.60/2,066,409.66 = 478,850.10/x
  3. Step 3: Cross multiply
    1,377,358.60x = 2,066,409.66 × 478,850.10
  4. Step 4: Simplify right side
    1,377,358.60x = 989,500,472,331.97
  5. Step 5: Solve for x
    x = 989,500,472,331.97/1,377,358.60
  6. Step 6: Final answer
    x = 718,404.40

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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.