Home / 725,333.28-1,088,184.48-426,066.96

Finding the Fourth Proportional to 725,333.28, 1,088,184.48 and 426,066.96

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Solution

The fourth proportional to 725,333.28, 1,088,184.48 and 426,066.96 is: 639,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,333.28 : 1,088,184.48 = 426,066.96 : x
  2. Step 2: Convert to fraction form
    725,333.28/1,088,184.48 = 426,066.96/x
  3. Step 3: Cross multiply
    725,333.28x = 1,088,184.48 × 426,066.96
  4. Step 4: Simplify right side
    725,333.28x = 463,639,453,312.78
  5. Step 5: Solve for x
    x = 463,639,453,312.78/725,333.28
  6. Step 6: Final answer
    x = 639,208.85

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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.