Home / 782,850.55-1,080,315.46-460,581.40

Finding the Fourth Proportional to 782,850.55, 1,080,315.46 and 460,581.40

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Solution

The fourth proportional to 782,850.55, 1,080,315.46 and 460,581.40 is: 635,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,850.55 : 1,080,315.46 = 460,581.40 : x
  2. Step 2: Convert to fraction form
    782,850.55/1,080,315.46 = 460,581.40/x
  3. Step 3: Cross multiply
    782,850.55x = 1,080,315.46 × 460,581.40
  4. Step 4: Simplify right side
    782,850.55x = 497,573,207,008.44
  5. Step 5: Solve for x
    x = 497,573,207,008.44/782,850.55
  6. Step 6: Final answer
    x = 635,591.57

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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.