Home / 755,495.28-1,132,828.44-299,624.88

Finding the Fourth Proportional to 755,495.28, 1,132,828.44 and 299,624.88

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Solution

The fourth proportional to 755,495.28, 1,132,828.44 and 299,624.88 is: 449,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,495.28 : 1,132,828.44 = 299,624.88 : x
  2. Step 2: Convert to fraction form
    755,495.28/1,132,828.44 = 299,624.88/x
  3. Step 3: Cross multiply
    755,495.28x = 1,132,828.44 × 299,624.88
  4. Step 4: Simplify right side
    755,495.28x = 339,423,585,395.59
  5. Step 5: Solve for x
    x = 339,423,585,395.59/755,495.28
  6. Step 6: Final answer
    x = 449,272.94

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1.5x scale

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.