Home / 804,590.30-1,207,565.85-331,615.10

Finding the Fourth Proportional to 804,590.30, 1,207,565.85 and 331,615.10

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Solution

The fourth proportional to 804,590.30, 1,207,565.85 and 331,615.10 is: 497,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,590.30 : 1,207,565.85 = 331,615.10 : x
  2. Step 2: Convert to fraction form
    804,590.30/1,207,565.85 = 331,615.10/x
  3. Step 3: Cross multiply
    804,590.30x = 1,207,565.85 × 331,615.10
  4. Step 4: Simplify right side
    804,590.30x = 400,447,070,104.34
  5. Step 5: Solve for x
    x = 400,447,070,104.34/804,590.30
  6. Step 6: Final answer
    x = 497,703.08

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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.