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Finding the Fourth Proportional to 757,881.18, 1,045,873.89 and 418,347

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Solution

The fourth proportional to 757,881.18, 1,045,873.89 and 418,347 is: 577,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,881.18 : 1,045,873.89 = 418,347 : x
  2. Step 2: Convert to fraction form
    757,881.18/1,045,873.89 = 418,347/x
  3. Step 3: Cross multiply
    757,881.18x = 1,045,873.89 × 418,347
  4. Step 4: Simplify right side
    757,881.18x = 437,538,204,259.83
  5. Step 5: Solve for x
    x = 437,538,204,259.83/757,881.18
  6. Step 6: Final answer
    x = 577,317.68

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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.