Home / 546,721.10-754,475.46-305,003.70

Finding the Fourth Proportional to 546,721.10, 754,475.46 and 305,003.70

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Solution

The fourth proportional to 546,721.10, 754,475.46 and 305,003.70 is: 420,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,721.10 : 754,475.46 = 305,003.70 : x
  2. Step 2: Convert to fraction form
    546,721.10/754,475.46 = 305,003.70/x
  3. Step 3: Cross multiply
    546,721.10x = 754,475.46 × 305,003.70
  4. Step 4: Simplify right side
    546,721.10x = 230,117,806,859.20
  5. Step 5: Solve for x
    x = 230,117,806,859.20/546,721.10
  6. Step 6: Final answer
    x = 420,905.30

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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.