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Finding the Fourth Proportional to 636,463.29, 878,322.47 and 350,001.93

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Solution

The fourth proportional to 636,463.29, 878,322.47 and 350,001.93 is: 483,004.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,463.29 : 878,322.47 = 350,001.93 : x
  2. Step 2: Convert to fraction form
    636,463.29/878,322.47 = 350,001.93/x
  3. Step 3: Cross multiply
    636,463.29x = 878,322.47 × 350,001.93
  4. Step 4: Simplify right side
    636,463.29x = 307,414,557,912.36
  5. Step 5: Solve for x
    x = 307,414,557,912.36/636,463.29
  6. Step 6: Final answer
    x = 483,004.38

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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.