Home / 891,760.34-1,337,641.56-379,292.78

Finding the Fourth Proportional to 891,760.34, 1,337,641.56 and 379,292.78

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Solution

The fourth proportional to 891,760.34, 1,337,641.56 and 379,292.78 is: 568,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,760.34 : 1,337,641.56 = 379,292.78 : x
  2. Step 2: Convert to fraction form
    891,760.34/1,337,641.56 = 379,292.78/x
  3. Step 3: Cross multiply
    891,760.34x = 1,337,641.56 × 379,292.78
  4. Step 4: Simplify right side
    891,760.34x = 507,357,779,247.73
  5. Step 5: Solve for x
    x = 507,357,779,247.73/891,760.34
  6. Step 6: Final answer
    x = 568,939.61

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1.5x scale

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.