Home / 558,970.20-771,353.46-304,320.84

Finding the Fourth Proportional to 558,970.20, 771,353.46 and 304,320.84

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Solution

The fourth proportional to 558,970.20, 771,353.46 and 304,320.84 is: 419,948.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,970.20 : 771,353.46 = 304,320.84 : x
  2. Step 2: Convert to fraction form
    558,970.20/771,353.46 = 304,320.84/x
  3. Step 3: Cross multiply
    558,970.20x = 771,353.46 × 304,320.84
  4. Step 4: Simplify right side
    558,970.20x = 234,738,932,884.11
  5. Step 5: Solve for x
    x = 234,738,932,884.11/558,970.20
  6. Step 6: Final answer
    x = 419,948.92

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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.