Home / 708,172.30-1,062,572.28-371,132.74

Finding the Fourth Proportional to 708,172.30, 1,062,572.28 and 371,132.74

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Solution

The fourth proportional to 708,172.30, 1,062,572.28 and 371,132.74 is: 556,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,172.30 : 1,062,572.28 = 371,132.74 : x
  2. Step 2: Convert to fraction form
    708,172.30/1,062,572.28 = 371,132.74/x
  3. Step 3: Cross multiply
    708,172.30x = 1,062,572.28 × 371,132.74
  4. Step 4: Simplify right side
    708,172.30x = 394,355,361,724.45
  5. Step 5: Solve for x
    x = 394,355,361,724.45/708,172.30
  6. Step 6: Final answer
    x = 556,863.58

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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.