Home / 460,686.35-636,138.97-288,892.04

Finding the Fourth Proportional to 460,686.35, 636,138.97 and 288,892.04

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Solution

The fourth proportional to 460,686.35, 636,138.97 and 288,892.04 is: 398,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,686.35 : 636,138.97 = 288,892.04 : x
  2. Step 2: Convert to fraction form
    460,686.35/636,138.97 = 288,892.04/x
  3. Step 3: Cross multiply
    460,686.35x = 636,138.97 × 288,892.04
  4. Step 4: Simplify right side
    460,686.35x = 183,775,480,863.87
  5. Step 5: Solve for x
    x = 183,775,480,863.87/460,686.35
  6. Step 6: Final answer
    x = 398,916.70

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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.