Home / 389,155.05-584,562.28-366,402.73

Finding the Fourth Proportional to 389,155.05, 584,562.28 and 366,402.73

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Solution

The fourth proportional to 389,155.05, 584,562.28 and 366,402.73 is: 550,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,155.05 : 584,562.28 = 366,402.73 : x
  2. Step 2: Convert to fraction form
    389,155.05/584,562.28 = 366,402.73/x
  3. Step 3: Cross multiply
    389,155.05x = 584,562.28 × 366,402.73
  4. Step 4: Simplify right side
    389,155.05x = 214,185,211,953.61
  5. Step 5: Solve for x
    x = 214,185,211,953.61/389,155.05
  6. Step 6: Final answer
    x = 550,385.29

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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.