Home / 725,411.56-1,000,757.38-453,006.60

Finding the Fourth Proportional to 725,411.56, 1,000,757.38 and 453,006.60

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Solution

The fourth proportional to 725,411.56, 1,000,757.38 and 453,006.60 is: 624,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,411.56 : 1,000,757.38 = 453,006.60 : x
  2. Step 2: Convert to fraction form
    725,411.56/1,000,757.38 = 453,006.60/x
  3. Step 3: Cross multiply
    725,411.56x = 1,000,757.38 × 453,006.60
  4. Step 4: Simplify right side
    725,411.56x = 453,349,698,138.71
  5. Step 5: Solve for x
    x = 453,349,698,138.71/725,411.56
  6. Step 6: Final answer
    x = 624,955.16

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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.