Home / 714,931.61-1,072,545.02-209,509.11

Finding the Fourth Proportional to 714,931.61, 1,072,545.02 and 209,509.11

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Solution

The fourth proportional to 714,931.61, 1,072,545.02 and 209,509.11 is: 314,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,931.61 : 1,072,545.02 = 209,509.11 : x
  2. Step 2: Convert to fraction form
    714,931.61/1,072,545.02 = 209,509.11/x
  3. Step 3: Cross multiply
    714,931.61x = 1,072,545.02 × 209,509.11
  4. Step 4: Simplify right side
    714,931.61x = 224,707,951,527.59
  5. Step 5: Solve for x
    x = 224,707,951,527.59/714,931.61
  6. Step 6: Final answer
    x = 314,306.92

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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.