Home / 901,572.12-1,244,114.51-493,678.80

Finding the Fourth Proportional to 901,572.12, 1,244,114.51 and 493,678.80

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Solution

The fourth proportional to 901,572.12, 1,244,114.51 and 493,678.80 is: 681,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,572.12 : 1,244,114.51 = 493,678.80 : x
  2. Step 2: Convert to fraction form
    901,572.12/1,244,114.51 = 493,678.80/x
  3. Step 3: Cross multiply
    901,572.12x = 1,244,114.51 × 493,678.80
  4. Step 4: Simplify right side
    901,572.12x = 614,192,955,890.99
  5. Step 5: Solve for x
    x = 614,192,955,890.99/901,572.12
  6. Step 6: Final answer
    x = 681,246.62

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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.