Home / 683,014.20-1,024,425-429,521.85

Finding the Fourth Proportional to 683,014.20, 1,024,425 and 429,521.85

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Solution

The fourth proportional to 683,014.20, 1,024,425 and 429,521.85 is: 644,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,014.20 : 1,024,425 = 429,521.85 : x
  2. Step 2: Convert to fraction form
    683,014.20/1,024,425 = 429,521.85/x
  3. Step 3: Cross multiply
    683,014.20x = 1,024,425 × 429,521.85
  4. Step 4: Simplify right side
    683,014.20x = 440,012,921,186.25
  5. Step 5: Solve for x
    x = 440,012,921,186.25/683,014.20
  6. Step 6: Final answer
    x = 644,222.22

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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.