Home / 782,613.60-1,080,263.28-460,307.04

Finding the Fourth Proportional to 782,613.60, 1,080,263.28 and 460,307.04

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Solution

The fourth proportional to 782,613.60, 1,080,263.28 and 460,307.04 is: 635,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,613.60 : 1,080,263.28 = 460,307.04 : x
  2. Step 2: Convert to fraction form
    782,613.60/1,080,263.28 = 460,307.04/x
  3. Step 3: Cross multiply
    782,613.60x = 1,080,263.28 × 460,307.04
  4. Step 4: Simplify right side
    782,613.60x = 497,252,792,837.49
  5. Step 5: Solve for x
    x = 497,252,792,837.49/782,613.60
  6. Step 6: Final answer
    x = 635,374.59

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Double scale
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Similar ratio
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1.5x scale

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.