Home / 735,537.60-1,103,306.40-286,279.20

Finding the Fourth Proportional to 735,537.60, 1,103,306.40 and 286,279.20

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Solution

The fourth proportional to 735,537.60, 1,103,306.40 and 286,279.20 is: 429,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,537.60 : 1,103,306.40 = 286,279.20 : x
  2. Step 2: Convert to fraction form
    735,537.60/1,103,306.40 = 286,279.20/x
  3. Step 3: Cross multiply
    735,537.60x = 1,103,306.40 × 286,279.20
  4. Step 4: Simplify right side
    735,537.60x = 315,853,673,546.88
  5. Step 5: Solve for x
    x = 315,853,673,546.88/735,537.60
  6. Step 6: Final answer
    x = 429,418.80

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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.