Home / 558,710.38-771,005.55-304,056.10

Finding the Fourth Proportional to 558,710.38, 771,005.55 and 304,056.10

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Solution

The fourth proportional to 558,710.38, 771,005.55 and 304,056.10 is: 419,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,710.38 : 771,005.55 = 304,056.10 : x
  2. Step 2: Convert to fraction form
    558,710.38/771,005.55 = 304,056.10/x
  3. Step 3: Cross multiply
    558,710.38x = 771,005.55 × 304,056.10
  4. Step 4: Simplify right side
    558,710.38x = 234,428,940,611.36
  5. Step 5: Solve for x
    x = 234,428,940,611.36/558,710.38
  6. Step 6: Final answer
    x = 419,589.38

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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.