Home / 558,434.12-770,906.79-343,758.20

Finding the Fourth Proportional to 558,434.12, 770,906.79 and 343,758.20

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Solution

The fourth proportional to 558,434.12, 770,906.79 and 343,758.20 is: 474,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,434.12 : 770,906.79 = 343,758.20 : x
  2. Step 2: Convert to fraction form
    558,434.12/770,906.79 = 343,758.20/x
  3. Step 3: Cross multiply
    558,434.12x = 770,906.79 × 343,758.20
  4. Step 4: Simplify right side
    558,434.12x = 265,005,526,643.64
  5. Step 5: Solve for x
    x = 265,005,526,643.64/558,434.12
  6. Step 6: Final answer
    x = 474,551.11

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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.