Home / 754,264.64-1,131,710.28-305,302.88

Finding the Fourth Proportional to 754,264.64, 1,131,710.28 and 305,302.88

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Solution

The fourth proportional to 754,264.64, 1,131,710.28 and 305,302.88 is: 458,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,264.64 : 1,131,710.28 = 305,302.88 : x
  2. Step 2: Convert to fraction form
    754,264.64/1,131,710.28 = 305,302.88/x
  3. Step 3: Cross multiply
    754,264.64x = 1,131,710.28 × 305,302.88
  4. Step 4: Simplify right side
    754,264.64x = 345,514,407,809.61
  5. Step 5: Solve for x
    x = 345,514,407,809.61/754,264.64
  6. Step 6: Final answer
    x = 458,081.14

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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.