Home / 725,260.02-1,000,548.81-453,142.55

Finding the Fourth Proportional to 725,260.02, 1,000,548.81 and 453,142.55

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Solution

The fourth proportional to 725,260.02, 1,000,548.81 and 453,142.55 is: 625,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,260.02 : 1,000,548.81 = 453,142.55 : x
  2. Step 2: Convert to fraction form
    725,260.02/1,000,548.81 = 453,142.55/x
  3. Step 3: Cross multiply
    725,260.02x = 1,000,548.81 × 453,142.55
  4. Step 4: Simplify right side
    725,260.02x = 453,391,234,160.12
  5. Step 5: Solve for x
    x = 453,391,234,160.12/725,260.02
  6. Step 6: Final answer
    x = 625,143.01

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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.