Home / 726,778.08-1,002,384.72-472,212

Finding the Fourth Proportional to 726,778.08, 1,002,384.72 and 472,212

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Solution

The fourth proportional to 726,778.08, 1,002,384.72 and 472,212 is: 651,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,778.08 : 1,002,384.72 = 472,212 : x
  2. Step 2: Convert to fraction form
    726,778.08/1,002,384.72 = 472,212/x
  3. Step 3: Cross multiply
    726,778.08x = 1,002,384.72 × 472,212
  4. Step 4: Simplify right side
    726,778.08x = 473,338,093,400.64
  5. Step 5: Solve for x
    x = 473,338,093,400.64/726,778.08
  6. Step 6: Final answer
    x = 651,282.84

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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.