Home / 714,373.65-1,071,346.64-287,772.57

Finding the Fourth Proportional to 714,373.65, 1,071,346.64 and 287,772.57

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Solution

The fourth proportional to 714,373.65, 1,071,346.64 and 287,772.57 is: 431,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,373.65 : 1,071,346.64 = 287,772.57 : x
  2. Step 2: Convert to fraction form
    714,373.65/1,071,346.64 = 287,772.57/x
  3. Step 3: Cross multiply
    714,373.65x = 1,071,346.64 × 287,772.57
  4. Step 4: Simplify right side
    714,373.65x = 308,304,174,514.80
  5. Step 5: Solve for x
    x = 308,304,174,514.80/714,373.65
  6. Step 6: Final answer
    x = 431,572.71

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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.