Home / 864,255.89-1,192,563.10-482,298.77

Finding the Fourth Proportional to 864,255.89, 1,192,563.10 and 482,298.77

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Solution

The fourth proportional to 864,255.89, 1,192,563.10 and 482,298.77 is: 665,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,255.89 : 1,192,563.10 = 482,298.77 : x
  2. Step 2: Convert to fraction form
    864,255.89/1,192,563.10 = 482,298.77/x
  3. Step 3: Cross multiply
    864,255.89x = 1,192,563.10 × 482,298.77
  4. Step 4: Simplify right side
    864,255.89x = 575,171,719,861.67
  5. Step 5: Solve for x
    x = 575,171,719,861.67/864,255.89
  6. Step 6: Final answer
    x = 665,510.90

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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.