Home / 512,947.04-707,844.88-283,492.46

Finding the Fourth Proportional to 512,947.04, 707,844.88 and 283,492.46

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Solution

The fourth proportional to 512,947.04, 707,844.88 and 283,492.46 is: 391,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,947.04 : 707,844.88 = 283,492.46 : x
  2. Step 2: Convert to fraction form
    512,947.04/707,844.88 = 283,492.46/x
  3. Step 3: Cross multiply
    512,947.04x = 707,844.88 × 283,492.46
  4. Step 4: Simplify right side
    512,947.04x = 200,668,687,390.49
  5. Step 5: Solve for x
    x = 200,668,687,390.49/512,947.04
  6. Step 6: Final answer
    x = 391,207.42

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1.5x scale

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.