Home / 728,549.55-1,092,826.37-255,124.18

Finding the Fourth Proportional to 728,549.55, 1,092,826.37 and 255,124.18

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Solution

The fourth proportional to 728,549.55, 1,092,826.37 and 255,124.18 is: 382,686.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,549.55 : 1,092,826.37 = 255,124.18 : x
  2. Step 2: Convert to fraction form
    728,549.55/1,092,826.37 = 255,124.18/x
  3. Step 3: Cross multiply
    728,549.55x = 1,092,826.37 × 255,124.18
  4. Step 4: Simplify right side
    728,549.55x = 278,806,431,528.63
  5. Step 5: Solve for x
    x = 278,806,431,528.63/728,549.55
  6. Step 6: Final answer
    x = 382,686.99

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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.