Home / 929,811.70-1,394,061.45-424,614.70

Finding the Fourth Proportional to 929,811.70, 1,394,061.45 and 424,614.70

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Solution

The fourth proportional to 929,811.70, 1,394,061.45 and 424,614.70 is: 636,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,811.70 : 1,394,061.45 = 424,614.70 : x
  2. Step 2: Convert to fraction form
    929,811.70/1,394,061.45 = 424,614.70/x
  3. Step 3: Cross multiply
    929,811.70x = 1,394,061.45 × 424,614.70
  4. Step 4: Simplify right side
    929,811.70x = 591,938,984,373.32
  5. Step 5: Solve for x
    x = 591,938,984,373.32/929,811.70
  6. Step 6: Final answer
    x = 636,622.43

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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.