Home / 668,732.38-1,001,385.84-368,879.62

Finding the Fourth Proportional to 668,732.38, 1,001,385.84 and 368,879.62

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Solution

The fourth proportional to 668,732.38, 1,001,385.84 and 368,879.62 is: 552,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,732.38 : 1,001,385.84 = 368,879.62 : x
  2. Step 2: Convert to fraction form
    668,732.38/1,001,385.84 = 368,879.62/x
  3. Step 3: Cross multiply
    668,732.38x = 1,001,385.84 × 368,879.62
  4. Step 4: Simplify right side
    668,732.38x = 369,390,828,132.58
  5. Step 5: Solve for x
    x = 369,390,828,132.58/668,732.38
  6. Step 6: Final answer
    x = 552,374.67

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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.