Home / 997,627.20-1,496,635.20-429,007.20

Finding the Fourth Proportional to 997,627.20, 1,496,635.20 and 429,007.20

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Solution

The fourth proportional to 997,627.20, 1,496,635.20 and 429,007.20 is: 643,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,627.20 : 1,496,635.20 = 429,007.20 : x
  2. Step 2: Convert to fraction form
    997,627.20/1,496,635.20 = 429,007.20/x
  3. Step 3: Cross multiply
    997,627.20x = 1,496,635.20 × 429,007.20
  4. Step 4: Simplify right side
    997,627.20x = 642,067,276,573.44
  5. Step 5: Solve for x
    x = 642,067,276,573.44/997,627.20
  6. Step 6: Final answer
    x = 643,594.40

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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.