Home / 729,445.68-1,006,803.02-427,736.88

Finding the Fourth Proportional to 729,445.68, 1,006,803.02 and 427,736.88

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Solution

The fourth proportional to 729,445.68, 1,006,803.02 and 427,736.88 is: 590,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,445.68 : 1,006,803.02 = 427,736.88 : x
  2. Step 2: Convert to fraction form
    729,445.68/1,006,803.02 = 427,736.88/x
  3. Step 3: Cross multiply
    729,445.68x = 1,006,803.02 × 427,736.88
  4. Step 4: Simplify right side
    729,445.68x = 430,646,782,549.38
  5. Step 5: Solve for x
    x = 430,646,782,549.38/729,445.68
  6. Step 6: Final answer
    x = 590,375.40

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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.