Home / 765,339.60-1,148,446.80-292,364.40

Finding the Fourth Proportional to 765,339.60, 1,148,446.80 and 292,364.40

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Solution

The fourth proportional to 765,339.60, 1,148,446.80 and 292,364.40 is: 438,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,339.60 : 1,148,446.80 = 292,364.40 : x
  2. Step 2: Convert to fraction form
    765,339.60/1,148,446.80 = 292,364.40/x
  3. Step 3: Cross multiply
    765,339.60x = 1,148,446.80 × 292,364.40
  4. Step 4: Simplify right side
    765,339.60x = 335,764,959,613.92
  5. Step 5: Solve for x
    x = 335,764,959,613.92/765,339.60
  6. Step 6: Final answer
    x = 438,713.69

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1.5x scale

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.