Home / 424,335.45-587,124.93-370,000.85

Finding the Fourth Proportional to 424,335.45, 587,124.93 and 370,000.85

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Solution

The fourth proportional to 424,335.45, 587,124.93 and 370,000.85 is: 511,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,335.45 : 587,124.93 = 370,000.85 : x
  2. Step 2: Convert to fraction form
    424,335.45/587,124.93 = 370,000.85/x
  3. Step 3: Cross multiply
    424,335.45x = 587,124.93 × 370,000.85
  4. Step 4: Simplify right side
    424,335.45x = 217,236,723,156.19
  5. Step 5: Solve for x
    x = 217,236,723,156.19/424,335.45
  6. Step 6: Final answer
    x = 511,945.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.