Home / 725,004.32-1,000,505.57-402,744.42

Finding the Fourth Proportional to 725,004.32, 1,000,505.57 and 402,744.42

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Solution

The fourth proportional to 725,004.32, 1,000,505.57 and 402,744.42 is: 555,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,004.32 : 1,000,505.57 = 402,744.42 : x
  2. Step 2: Convert to fraction form
    725,004.32/1,000,505.57 = 402,744.42/x
  3. Step 3: Cross multiply
    725,004.32x = 1,000,505.57 × 402,744.42
  4. Step 4: Simplify right side
    725,004.32x = 402,948,033,482.70
  5. Step 5: Solve for x
    x = 402,948,033,482.70/725,004.32
  6. Step 6: Final answer
    x = 555,787.08

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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.