Home / 782,855.47-1,080,322.14-460,586.31

Finding the Fourth Proportional to 782,855.47, 1,080,322.14 and 460,586.31

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Solution

The fourth proportional to 782,855.47, 1,080,322.14 and 460,586.31 is: 635,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,855.47 : 1,080,322.14 = 460,586.31 : x
  2. Step 2: Convert to fraction form
    782,855.47/1,080,322.14 = 460,586.31/x
  3. Step 3: Cross multiply
    782,855.47x = 1,080,322.14 × 460,586.31
  4. Step 4: Simplify right side
    782,855.47x = 497,581,588,073.90
  5. Step 5: Solve for x
    x = 497,581,588,073.90/782,855.47
  6. Step 6: Final answer
    x = 635,598.28

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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.