Home / 649,875.10-974,812.65-547,231.90

Finding the Fourth Proportional to 649,875.10, 974,812.65 and 547,231.90

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Solution

The fourth proportional to 649,875.10, 974,812.65 and 547,231.90 is: 820,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,875.10 : 974,812.65 = 547,231.90 : x
  2. Step 2: Convert to fraction form
    649,875.10/974,812.65 = 547,231.90/x
  3. Step 3: Cross multiply
    649,875.10x = 974,812.65 × 547,231.90
  4. Step 4: Simplify right side
    649,875.10x = 533,448,578,603.54
  5. Step 5: Solve for x
    x = 533,448,578,603.54/649,875.10
  6. Step 6: Final answer
    x = 820,847.85

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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.