Home / 972,000.70-1,341,361.81-542,280.92

Finding the Fourth Proportional to 972,000.70, 1,341,361.81 and 542,280.92

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Solution

The fourth proportional to 972,000.70, 1,341,361.81 and 542,280.92 is: 748,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,000.70 : 1,341,361.81 = 542,280.92 : x
  2. Step 2: Convert to fraction form
    972,000.70/1,341,361.81 = 542,280.92/x
  3. Step 3: Cross multiply
    972,000.70x = 1,341,361.81 × 542,280.92
  4. Step 4: Simplify right side
    972,000.70x = 727,394,916,379.67
  5. Step 5: Solve for x
    x = 727,394,916,379.67/972,000.70
  6. Step 6: Final answer
    x = 748,348.14

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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.