Home / 649,932.20-975,474.30-383,359.40

Finding the Fourth Proportional to 649,932.20, 975,474.30 and 383,359.40

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Solution

The fourth proportional to 649,932.20, 975,474.30 and 383,359.40 is: 575,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,932.20 : 975,474.30 = 383,359.40 : x
  2. Step 2: Convert to fraction form
    649,932.20/975,474.30 = 383,359.40/x
  3. Step 3: Cross multiply
    649,932.20x = 975,474.30 × 383,359.40
  4. Step 4: Simplify right side
    649,932.20x = 373,957,242,363.42
  5. Step 5: Solve for x
    x = 373,957,242,363.42/649,932.20
  6. Step 6: Final answer
    x = 575,378.85

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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.