Home / 770,873.25-1,156,765.50-429,601.62

Finding the Fourth Proportional to 770,873.25, 1,156,765.50 and 429,601.62

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Solution

The fourth proportional to 770,873.25, 1,156,765.50 and 429,601.62 is: 644,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,873.25 : 1,156,765.50 = 429,601.62 : x
  2. Step 2: Convert to fraction form
    770,873.25/1,156,765.50 = 429,601.62/x
  3. Step 3: Cross multiply
    770,873.25x = 1,156,765.50 × 429,601.62
  4. Step 4: Simplify right side
    770,873.25x = 496,948,332,760.11
  5. Step 5: Solve for x
    x = 496,948,332,760.11/770,873.25
  6. Step 6: Final answer
    x = 644,656.35

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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.