Home / 676,731.29-933,876.90-401,274.50

Finding the Fourth Proportional to 676,731.29, 933,876.90 and 401,274.50

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Solution

The fourth proportional to 676,731.29, 933,876.90 and 401,274.50 is: 553,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,731.29 : 933,876.90 = 401,274.50 : x
  2. Step 2: Convert to fraction form
    676,731.29/933,876.90 = 401,274.50/x
  3. Step 3: Cross multiply
    676,731.29x = 933,876.90 × 401,274.50
  4. Step 4: Simplify right side
    676,731.29x = 374,740,981,439.67
  5. Step 5: Solve for x
    x = 374,740,981,439.67/676,731.29
  6. Step 6: Final answer
    x = 553,751.53

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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.