Home / 402,746.13-603,884.30-311,527.17

Finding the Fourth Proportional to 402,746.13, 603,884.30 and 311,527.17

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Solution

The fourth proportional to 402,746.13, 603,884.30 and 311,527.17 is: 467,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,746.13 : 603,884.30 = 311,527.17 : x
  2. Step 2: Convert to fraction form
    402,746.13/603,884.30 = 311,527.17/x
  3. Step 3: Cross multiply
    402,746.13x = 603,884.30 × 311,527.17
  4. Step 4: Simplify right side
    402,746.13x = 188,126,365,428.80
  5. Step 5: Solve for x
    x = 188,126,365,428.80/402,746.13
  6. Step 6: Final answer
    x = 467,109.06

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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.