Home / 840,869.47-1,160,437.60-473,472.95

Finding the Fourth Proportional to 840,869.47, 1,160,437.60 and 473,472.95

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Solution

The fourth proportional to 840,869.47, 1,160,437.60 and 473,472.95 is: 653,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,869.47 : 1,160,437.60 = 473,472.95 : x
  2. Step 2: Convert to fraction form
    840,869.47/1,160,437.60 = 473,472.95/x
  3. Step 3: Cross multiply
    840,869.47x = 1,160,437.60 × 473,472.95
  4. Step 4: Simplify right side
    840,869.47x = 549,435,811,128.69
  5. Step 5: Solve for x
    x = 549,435,811,128.69/840,869.47
  6. Step 6: Final answer
    x = 653,413.92

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1.5x scale

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.