Home / 745,073.76-1,027,900.08-454,536.48

Finding the Fourth Proportional to 745,073.76, 1,027,900.08 and 454,536.48

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Solution

The fourth proportional to 745,073.76, 1,027,900.08 and 454,536.48 is: 627,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,073.76 : 1,027,900.08 = 454,536.48 : x
  2. Step 2: Convert to fraction form
    745,073.76/1,027,900.08 = 454,536.48/x
  3. Step 3: Cross multiply
    745,073.76x = 1,027,900.08 × 454,536.48
  4. Step 4: Simplify right side
    745,073.76x = 467,218,084,154.92
  5. Step 5: Solve for x
    x = 467,218,084,154.92/745,073.76
  6. Step 6: Final answer
    x = 627,076.28

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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.