Home / 915,169.29-1,371,839.49-434,551.43

Finding the Fourth Proportional to 915,169.29, 1,371,839.49 and 434,551.43

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Solution

The fourth proportional to 915,169.29, 1,371,839.49 and 434,551.43 is: 651,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,169.29 : 1,371,839.49 = 434,551.43 : x
  2. Step 2: Convert to fraction form
    915,169.29/1,371,839.49 = 434,551.43/x
  3. Step 3: Cross multiply
    915,169.29x = 1,371,839.49 × 434,551.43
  4. Step 4: Simplify right side
    915,169.29x = 596,134,815,539.57
  5. Step 5: Solve for x
    x = 596,134,815,539.57/915,169.29
  6. Step 6: Final answer
    x = 651,392.94

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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.