Home / 546,719.10-754,472.70-305,001.69

Finding the Fourth Proportional to 546,719.10, 754,472.70 and 305,001.69

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Solution

The fourth proportional to 546,719.10, 754,472.70 and 305,001.69 is: 420,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,719.10 : 754,472.70 = 305,001.69 : x
  2. Step 2: Convert to fraction form
    546,719.10/754,472.70 = 305,001.69/x
  3. Step 3: Cross multiply
    546,719.10x = 754,472.70 × 305,001.69
  4. Step 4: Simplify right side
    546,719.10x = 230,115,448,558.86
  5. Step 5: Solve for x
    x = 230,115,448,558.86/546,719.10
  6. Step 6: Final answer
    x = 420,902.52

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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.