Home / 715,576.10-987,588.33-461,665.94

Finding the Fourth Proportional to 715,576.10, 987,588.33 and 461,665.94

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Solution

The fourth proportional to 715,576.10, 987,588.33 and 461,665.94 is: 637,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,576.10 : 987,588.33 = 461,665.94 : x
  2. Step 2: Convert to fraction form
    715,576.10/987,588.33 = 461,665.94/x
  3. Step 3: Cross multiply
    715,576.10x = 987,588.33 × 461,665.94
  4. Step 4: Simplify right side
    715,576.10x = 455,935,894,702.48
  5. Step 5: Solve for x
    x = 455,935,894,702.48/715,576.10
  6. Step 6: Final answer
    x = 637,159.20

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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.