Home / 513,219.72-708,228.52-283,773.04

Finding the Fourth Proportional to 513,219.72, 708,228.52 and 283,773.04

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Solution

The fourth proportional to 513,219.72, 708,228.52 and 283,773.04 is: 391,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,219.72 : 708,228.52 = 283,773.04 : x
  2. Step 2: Convert to fraction form
    513,219.72/708,228.52 = 283,773.04/x
  3. Step 3: Cross multiply
    513,219.72x = 708,228.52 × 283,773.04
  4. Step 4: Simplify right side
    513,219.72x = 200,976,160,135.10
  5. Step 5: Solve for x
    x = 200,976,160,135.10/513,219.72
  6. Step 6: Final answer
    x = 391,598.67

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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.