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Finding the Fourth Proportional to 616,018, 924,395.64 and 265,810

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Solution

The fourth proportional to 616,018, 924,395.64 and 265,810 is: 398,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,018 : 924,395.64 = 265,810 : x
  2. Step 2: Convert to fraction form
    616,018/924,395.64 = 265,810/x
  3. Step 3: Cross multiply
    616,018x = 924,395.64 × 265,810
  4. Step 4: Simplify right side
    616,018x = 245,713,605,068.40
  5. Step 5: Solve for x
    x = 245,713,605,068.40/616,018
  6. Step 6: Final answer
    x = 398,874.07

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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.