Home / 558,957.40-771,375.08-304,322.56

Finding the Fourth Proportional to 558,957.40, 771,375.08 and 304,322.56

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Solution

The fourth proportional to 558,957.40, 771,375.08 and 304,322.56 is: 419,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,957.40 : 771,375.08 = 304,322.56 : x
  2. Step 2: Convert to fraction form
    558,957.40/771,375.08 = 304,322.56/x
  3. Step 3: Cross multiply
    558,957.40x = 771,375.08 × 304,322.56
  4. Step 4: Simplify right side
    558,957.40x = 234,746,839,065.81
  5. Step 5: Solve for x
    x = 234,746,839,065.81/558,957.40
  6. Step 6: Final answer
    x = 419,972.68

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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.