Home / 558,174.34-770,257.11-316,473.13

Finding the Fourth Proportional to 558,174.34, 770,257.11 and 316,473.13

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Solution

The fourth proportional to 558,174.34, 770,257.11 and 316,473.13 is: 436,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,174.34 : 770,257.11 = 316,473.13 : x
  2. Step 2: Convert to fraction form
    558,174.34/770,257.11 = 316,473.13/x
  3. Step 3: Cross multiply
    558,174.34x = 770,257.11 × 316,473.13
  4. Step 4: Simplify right side
    558,174.34x = 243,765,678,506.45
  5. Step 5: Solve for x
    x = 243,765,678,506.45/558,174.34
  6. Step 6: Final answer
    x = 436,719.61

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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.