Home / 647,320.38-892,885.22-429,524.34

Finding the Fourth Proportional to 647,320.38, 892,885.22 and 429,524.34

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Solution

The fourth proportional to 647,320.38, 892,885.22 and 429,524.34 is: 592,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,320.38 : 892,885.22 = 429,524.34 : x
  2. Step 2: Convert to fraction form
    647,320.38/892,885.22 = 429,524.34/x
  3. Step 3: Cross multiply
    647,320.38x = 892,885.22 × 429,524.34
  4. Step 4: Simplify right side
    647,320.38x = 383,515,934,816.26
  5. Step 5: Solve for x
    x = 383,515,934,816.26/647,320.38
  6. Step 6: Final answer
    x = 592,466.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.