Home / 540,835.12-746,348.65-299,108.76

Finding the Fourth Proportional to 540,835.12, 746,348.65 and 299,108.76

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Solution

The fourth proportional to 540,835.12, 746,348.65 and 299,108.76 is: 412,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,835.12 : 746,348.65 = 299,108.76 : x
  2. Step 2: Convert to fraction form
    540,835.12/746,348.65 = 299,108.76/x
  3. Step 3: Cross multiply
    540,835.12x = 746,348.65 × 299,108.76
  4. Step 4: Simplify right side
    540,835.12x = 223,239,419,229.17
  5. Step 5: Solve for x
    x = 223,239,419,229.17/540,835.12
  6. Step 6: Final answer
    x = 412,767.98

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Double scale
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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.