Home / 572,293.20-789,834.60-317,726.40

Finding the Fourth Proportional to 572,293.20, 789,834.60 and 317,726.40

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Solution

The fourth proportional to 572,293.20, 789,834.60 and 317,726.40 is: 438,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,293.20 : 789,834.60 = 317,726.40 : x
  2. Step 2: Convert to fraction form
    572,293.20/789,834.60 = 317,726.40/x
  3. Step 3: Cross multiply
    572,293.20x = 789,834.60 × 317,726.40
  4. Step 4: Simplify right side
    572,293.20x = 250,951,304,053.44
  5. Step 5: Solve for x
    x = 250,951,304,053.44/572,293.20
  6. Step 6: Final answer
    x = 438,501.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.