Home / 558,974.85-771,384.24-304,325.43

Finding the Fourth Proportional to 558,974.85, 771,384.24 and 304,325.43

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Solution

The fourth proportional to 558,974.85, 771,384.24 and 304,325.43 is: 419,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,974.85 : 771,384.24 = 304,325.43 : x
  2. Step 2: Convert to fraction form
    558,974.85/771,384.24 = 304,325.43/x
  3. Step 3: Cross multiply
    558,974.85x = 771,384.24 × 304,325.43
  4. Step 4: Simplify right side
    558,974.85x = 234,751,840,533.22
  5. Step 5: Solve for x
    x = 234,751,840,533.22/558,974.85
  6. Step 6: Final answer
    x = 419,968.52

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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.