Home / 466,747.20-698,565.60-429,422.40

Finding the Fourth Proportional to 466,747.20, 698,565.60 and 429,422.40

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Solution

The fourth proportional to 466,747.20, 698,565.60 and 429,422.40 is: 642,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,747.20 : 698,565.60 = 429,422.40 : x
  2. Step 2: Convert to fraction form
    466,747.20/698,565.60 = 429,422.40/x
  3. Step 3: Cross multiply
    466,747.20x = 698,565.60 × 429,422.40
  4. Step 4: Simplify right side
    466,747.20x = 299,979,716,509.44
  5. Step 5: Solve for x
    x = 299,979,716,509.44/466,747.20
  6. Step 6: Final answer
    x = 642,702.77

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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.