Home / 563,515.20-846,147.60-327,319.20

Finding the Fourth Proportional to 563,515.20, 846,147.60 and 327,319.20

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Solution

The fourth proportional to 563,515.20, 846,147.60 and 327,319.20 is: 491,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,515.20 : 846,147.60 = 327,319.20 : x
  2. Step 2: Convert to fraction form
    563,515.20/846,147.60 = 327,319.20/x
  3. Step 3: Cross multiply
    563,515.20x = 846,147.60 × 327,319.20
  4. Step 4: Simplify right side
    563,515.20x = 276,960,355,513.92
  5. Step 5: Solve for x
    x = 276,960,355,513.92/563,515.20
  6. Step 6: Final answer
    x = 491,486.93

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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.