Home / 572,778.18-790,434.41-314,671.84

Finding the Fourth Proportional to 572,778.18, 790,434.41 and 314,671.84

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Solution

The fourth proportional to 572,778.18, 790,434.41 and 314,671.84 is: 434,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,778.18 : 790,434.41 = 314,671.84 : x
  2. Step 2: Convert to fraction form
    572,778.18/790,434.41 = 314,671.84/x
  3. Step 3: Cross multiply
    572,778.18x = 790,434.41 × 314,671.84
  4. Step 4: Simplify right side
    572,778.18x = 248,727,449,407.34
  5. Step 5: Solve for x
    x = 248,727,449,407.34/572,778.18
  6. Step 6: Final answer
    x = 434,247.43

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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.