Home / 782,990.08-1,080,475.16-460,637.90

Finding the Fourth Proportional to 782,990.08, 1,080,475.16 and 460,637.90

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Solution

The fourth proportional to 782,990.08, 1,080,475.16 and 460,637.90 is: 635,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,990.08 : 1,080,475.16 = 460,637.90 : x
  2. Step 2: Convert to fraction form
    782,990.08/1,080,475.16 = 460,637.90/x
  3. Step 3: Cross multiply
    782,990.08x = 1,080,475.16 × 460,637.90
  4. Step 4: Simplify right side
    782,990.08x = 497,707,808,704.56
  5. Step 5: Solve for x
    x = 497,707,808,704.56/782,990.08
  6. Step 6: Final answer
    x = 635,650.21

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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.