Home / 676,486.73-933,197.76-418,281.14

Finding the Fourth Proportional to 676,486.73, 933,197.76 and 418,281.14

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Solution

The fourth proportional to 676,486.73, 933,197.76 and 418,281.14 is: 577,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,486.73 : 933,197.76 = 418,281.14 : x
  2. Step 2: Convert to fraction form
    676,486.73/933,197.76 = 418,281.14/x
  3. Step 3: Cross multiply
    676,486.73x = 933,197.76 × 418,281.14
  4. Step 4: Simplify right side
    676,486.73x = 390,339,022,898.25
  5. Step 5: Solve for x
    x = 390,339,022,898.25/676,486.73
  6. Step 6: Final answer
    x = 577,009.13

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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.