Home / 728,782.20-1,003,651.02-626,061.24

Finding the Fourth Proportional to 728,782.20, 1,003,651.02 and 626,061.24

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Solution

The fourth proportional to 728,782.20, 1,003,651.02 and 626,061.24 is: 862,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,782.20 : 1,003,651.02 = 626,061.24 : x
  2. Step 2: Convert to fraction form
    728,782.20/1,003,651.02 = 626,061.24/x
  3. Step 3: Cross multiply
    728,782.20x = 1,003,651.02 × 626,061.24
  4. Step 4: Simplify right side
    728,782.20x = 628,347,002,108.47
  5. Step 5: Solve for x
    x = 628,347,002,108.47/728,782.20
  6. Step 6: Final answer
    x = 862,187.64

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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.