Home / 598,581.20-898,908.60-318,645.20

Finding the Fourth Proportional to 598,581.20, 898,908.60 and 318,645.20

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Solution

The fourth proportional to 598,581.20, 898,908.60 and 318,645.20 is: 478,519.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,581.20 : 898,908.60 = 318,645.20 : x
  2. Step 2: Convert to fraction form
    598,581.20/898,908.60 = 318,645.20/x
  3. Step 3: Cross multiply
    598,581.20x = 898,908.60 × 318,645.20
  4. Step 4: Simplify right side
    598,581.20x = 286,432,910,628.72
  5. Step 5: Solve for x
    x = 286,432,910,628.72/598,581.20
  6. Step 6: Final answer
    x = 478,519.72

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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.