Home / 893,423.45-1,340,385.30-361,318.14

Finding the Fourth Proportional to 893,423.45, 1,340,385.30 and 361,318.14

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Solution

The fourth proportional to 893,423.45, 1,340,385.30 and 361,318.14 is: 542,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,423.45 : 1,340,385.30 = 361,318.14 : x
  2. Step 2: Convert to fraction form
    893,423.45/1,340,385.30 = 361,318.14/x
  3. Step 3: Cross multiply
    893,423.45x = 1,340,385.30 × 361,318.14
  4. Step 4: Simplify right side
    893,423.45x = 484,305,523,479.34
  5. Step 5: Solve for x
    x = 484,305,523,479.34/893,423.45
  6. Step 6: Final answer
    x = 542,078.36

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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.