Home / 891,111.42-1,337,017.05-392,125.50

Finding the Fourth Proportional to 891,111.42, 1,337,017.05 and 392,125.50

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Solution

The fourth proportional to 891,111.42, 1,337,017.05 and 392,125.50 is: 588,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,111.42 : 1,337,017.05 = 392,125.50 : x
  2. Step 2: Convert to fraction form
    891,111.42/1,337,017.05 = 392,125.50/x
  3. Step 3: Cross multiply
    891,111.42x = 1,337,017.05 × 392,125.50
  4. Step 4: Simplify right side
    891,111.42x = 524,278,479,239.78
  5. Step 5: Solve for x
    x = 524,278,479,239.78/891,111.42
  6. Step 6: Final answer
    x = 588,342.23

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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.