Home / 850,024.32-1,275,823.08-429,595.44

Finding the Fourth Proportional to 850,024.32, 1,275,823.08 and 429,595.44

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Solution

The fourth proportional to 850,024.32, 1,275,823.08 and 429,595.44 is: 644,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,024.32 : 1,275,823.08 = 429,595.44 : x
  2. Step 2: Convert to fraction form
    850,024.32/1,275,823.08 = 429,595.44/x
  3. Step 3: Cross multiply
    850,024.32x = 1,275,823.08 × 429,595.44
  4. Step 4: Simplify right side
    850,024.32x = 548,087,777,414.76
  5. Step 5: Solve for x
    x = 548,087,777,414.76/850,024.32
  6. Step 6: Final answer
    x = 644,790.70

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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.