Home / 917,363.30-1,376,263.65-443,659.10

Finding the Fourth Proportional to 917,363.30, 1,376,263.65 and 443,659.10

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Solution

The fourth proportional to 917,363.30, 1,376,263.65 and 443,659.10 is: 665,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,363.30 : 1,376,263.65 = 443,659.10 : x
  2. Step 2: Convert to fraction form
    917,363.30/1,376,263.65 = 443,659.10/x
  3. Step 3: Cross multiply
    917,363.30x = 1,376,263.65 × 443,659.10
  4. Step 4: Simplify right side
    917,363.30x = 610,591,892,321.72
  5. Step 5: Solve for x
    x = 610,591,892,321.72/917,363.30
  6. Step 6: Final answer
    x = 665,594.42

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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.