Home / 559,500.20-772,110.39-304,851.39

Finding the Fourth Proportional to 559,500.20, 772,110.39 and 304,851.39

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Solution

The fourth proportional to 559,500.20, 772,110.39 and 304,851.39 is: 420,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,500.20 : 772,110.39 = 304,851.39 : x
  2. Step 2: Convert to fraction form
    559,500.20/772,110.39 = 304,851.39/x
  3. Step 3: Cross multiply
    559,500.20x = 772,110.39 × 304,851.39
  4. Step 4: Simplify right side
    559,500.20x = 235,378,925,624.94
  5. Step 5: Solve for x
    x = 235,378,925,624.94/559,500.20
  6. Step 6: Final answer
    x = 420,694.98

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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.