Home / 679,142.52-1,018,712.70-180,506.52

Finding the Fourth Proportional to 679,142.52, 1,018,712.70 and 180,506.52

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Solution

The fourth proportional to 679,142.52, 1,018,712.70 and 180,506.52 is: 270,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,142.52 : 1,018,712.70 = 180,506.52 : x
  2. Step 2: Convert to fraction form
    679,142.52/1,018,712.70 = 180,506.52/x
  3. Step 3: Cross multiply
    679,142.52x = 1,018,712.70 × 180,506.52
  4. Step 4: Simplify right side
    679,142.52x = 183,884,284,356.80
  5. Step 5: Solve for x
    x = 183,884,284,356.80/679,142.52
  6. Step 6: Final answer
    x = 270,759.49

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Similar ratio
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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.