Home / 672,211.20-1,007,366.40-372,823.68

Finding the Fourth Proportional to 672,211.20, 1,007,366.40 and 372,823.68

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Solution

The fourth proportional to 672,211.20, 1,007,366.40 and 372,823.68 is: 558,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,211.20 : 1,007,366.40 = 372,823.68 : x
  2. Step 2: Convert to fraction form
    672,211.20/1,007,366.40 = 372,823.68/x
  3. Step 3: Cross multiply
    672,211.20x = 1,007,366.40 × 372,823.68
  4. Step 4: Simplify right side
    672,211.20x = 375,570,048,356.35
  5. Step 5: Solve for x
    x = 375,570,048,356.35/672,211.20
  6. Step 6: Final answer
    x = 558,708.41

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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.