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Finding the Fourth Proportional to 610,690.02, 915,592.16 and 410,513.91

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Solution

The fourth proportional to 610,690.02, 915,592.16 and 410,513.91 is: 615,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,690.02 : 915,592.16 = 410,513.91 : x
  2. Step 2: Convert to fraction form
    610,690.02/915,592.16 = 410,513.91/x
  3. Step 3: Cross multiply
    610,690.02x = 915,592.16 × 410,513.91
  4. Step 4: Simplify right side
    610,690.02x = 375,863,315,514.38
  5. Step 5: Solve for x
    x = 375,863,315,514.38/610,690.02
  6. Step 6: Final answer
    x = 615,473.16

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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.