Home / 558,754.12-771,105.90-329,321.08

Finding the Fourth Proportional to 558,754.12, 771,105.90 and 329,321.08

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Solution

The fourth proportional to 558,754.12, 771,105.90 and 329,321.08 is: 454,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,754.12 : 771,105.90 = 329,321.08 : x
  2. Step 2: Convert to fraction form
    558,754.12/771,105.90 = 329,321.08/x
  3. Step 3: Cross multiply
    558,754.12x = 771,105.90 × 329,321.08
  4. Step 4: Simplify right side
    558,754.12x = 253,941,427,782.37
  5. Step 5: Solve for x
    x = 253,941,427,782.37/558,754.12
  6. Step 6: Final answer
    x = 454,477.95

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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.