Home / 495,845.30-745,323.15-486,514.10

Finding the Fourth Proportional to 495,845.30, 745,323.15 and 486,514.10

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Solution

The fourth proportional to 495,845.30, 745,323.15 and 486,514.10 is: 731,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,845.30 : 745,323.15 = 486,514.10 : x
  2. Step 2: Convert to fraction form
    495,845.30/745,323.15 = 486,514.10/x
  3. Step 3: Cross multiply
    495,845.30x = 745,323.15 × 486,514.10
  4. Step 4: Simplify right side
    495,845.30x = 362,610,221,531.42
  5. Step 5: Solve for x
    x = 362,610,221,531.42/495,845.30
  6. Step 6: Final answer
    x = 731,297.08

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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.