Home / 752,929.53-1,039,060.79-408,779.94

Finding the Fourth Proportional to 752,929.53, 1,039,060.79 and 408,779.94

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Solution

The fourth proportional to 752,929.53, 1,039,060.79 and 408,779.94 is: 564,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,929.53 : 1,039,060.79 = 408,779.94 : x
  2. Step 2: Convert to fraction form
    752,929.53/1,039,060.79 = 408,779.94/x
  3. Step 3: Cross multiply
    752,929.53x = 1,039,060.79 × 408,779.94
  4. Step 4: Simplify right side
    752,929.53x = 424,747,207,392.55
  5. Step 5: Solve for x
    x = 424,747,207,392.55/752,929.53
  6. Step 6: Final answer
    x = 564,126.11

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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.