Home / 725,081.70-1,000,641.12-496,119.20

Finding the Fourth Proportional to 725,081.70, 1,000,641.12 and 496,119.20

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Solution

The fourth proportional to 725,081.70, 1,000,641.12 and 496,119.20 is: 684,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,081.70 : 1,000,641.12 = 496,119.20 : x
  2. Step 2: Convert to fraction form
    725,081.70/1,000,641.12 = 496,119.20/x
  3. Step 3: Cross multiply
    725,081.70x = 1,000,641.12 × 496,119.20
  4. Step 4: Simplify right side
    725,081.70x = 496,437,271,941.50
  5. Step 5: Solve for x
    x = 496,437,271,941.50/725,081.70
  6. Step 6: Final answer
    x = 684,663.91

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Double scale
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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.