Home / 1,011,252.27-1,516,291.56-478,768.80

Finding the Fourth Proportional to 1,011,252.27, 1,516,291.56 and 478,768.80

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Solution

The fourth proportional to 1,011,252.27, 1,516,291.56 and 478,768.80 is: 717,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,252.27 : 1,516,291.56 = 478,768.80 : x
  2. Step 2: Convert to fraction form
    1,011,252.27/1,516,291.56 = 478,768.80/x
  3. Step 3: Cross multiply
    1,011,252.27x = 1,516,291.56 × 478,768.80
  4. Step 4: Simplify right side
    1,011,252.27x = 725,953,090,631.33
  5. Step 5: Solve for x
    x = 725,953,090,631.33/1,011,252.27
  6. Step 6: Final answer
    x = 717,875.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.