Home / 714,374.65-1,071,348.13-287,773.57

Finding the Fourth Proportional to 714,374.65, 1,071,348.13 and 287,773.57

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Solution

The fourth proportional to 714,374.65, 1,071,348.13 and 287,773.57 is: 431,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,374.65 : 1,071,348.13 = 287,773.57 : x
  2. Step 2: Convert to fraction form
    714,374.65/1,071,348.13 = 287,773.57/x
  3. Step 3: Cross multiply
    714,374.65x = 1,071,348.13 × 287,773.57
  4. Step 4: Simplify right side
    714,374.65x = 308,305,676,082.92
  5. Step 5: Solve for x
    x = 308,305,676,082.92/714,374.65
  6. Step 6: Final answer
    x = 431,574.21

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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.