Home / 812,304.96-1,121,098.56-468,073.92

Finding the Fourth Proportional to 812,304.96, 1,121,098.56 and 468,073.92

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Solution

The fourth proportional to 812,304.96, 1,121,098.56 and 468,073.92 is: 646,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,304.96 : 1,121,098.56 = 468,073.92 : x
  2. Step 2: Convert to fraction form
    812,304.96/1,121,098.56 = 468,073.92/x
  3. Step 3: Cross multiply
    812,304.96x = 1,121,098.56 × 468,073.92
  4. Step 4: Simplify right side
    812,304.96x = 524,756,997,685.56
  5. Step 5: Solve for x
    x = 524,756,997,685.56/812,304.96
  6. Step 6: Final answer
    x = 646,009.84

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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.