Home / 719,963.16-1,079,962.56-187,508.04

Finding the Fourth Proportional to 719,963.16, 1,079,962.56 and 187,508.04

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Solution

The fourth proportional to 719,963.16, 1,079,962.56 and 187,508.04 is: 281,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,963.16 : 1,079,962.56 = 187,508.04 : x
  2. Step 2: Convert to fraction form
    719,963.16/1,079,962.56 = 187,508.04/x
  3. Step 3: Cross multiply
    719,963.16x = 1,079,962.56 × 187,508.04
  4. Step 4: Simplify right side
    719,963.16x = 202,501,662,898.98
  5. Step 5: Solve for x
    x = 202,501,662,898.98/719,963.16
  6. Step 6: Final answer
    x = 281,266.70

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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.