Home / 891,711.32-1,337,587.54-217,798.24

Finding the Fourth Proportional to 891,711.32, 1,337,587.54 and 217,798.24

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Solution

The fourth proportional to 891,711.32, 1,337,587.54 and 217,798.24 is: 326,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,711.32 : 1,337,587.54 = 217,798.24 : x
  2. Step 2: Convert to fraction form
    891,711.32/1,337,587.54 = 217,798.24/x
  3. Step 3: Cross multiply
    891,711.32x = 1,337,587.54 × 217,798.24
  4. Step 4: Simplify right side
    891,711.32x = 291,324,212,057.93
  5. Step 5: Solve for x
    x = 291,324,212,057.93/891,711.32
  6. Step 6: Final answer
    x = 326,702.38

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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.