Home / 558,143.61-836,252.51-305,605.86

Finding the Fourth Proportional to 558,143.61, 836,252.51 and 305,605.86

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Solution

The fourth proportional to 558,143.61, 836,252.51 and 305,605.86 is: 457,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,143.61 : 836,252.51 = 305,605.86 : x
  2. Step 2: Convert to fraction form
    558,143.61/836,252.51 = 305,605.86/x
  3. Step 3: Cross multiply
    558,143.61x = 836,252.51 × 305,605.86
  4. Step 4: Simplify right side
    558,143.61x = 255,563,665,967.68
  5. Step 5: Solve for x
    x = 255,563,665,967.68/558,143.61
  6. Step 6: Final answer
    x = 457,881.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.