Home / 578,503.28-867,749.88-157,778.48

Finding the Fourth Proportional to 578,503.28, 867,749.88 and 157,778.48

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Solution

The fourth proportional to 578,503.28, 867,749.88 and 157,778.48 is: 236,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,503.28 : 867,749.88 = 157,778.48 : x
  2. Step 2: Convert to fraction form
    578,503.28/867,749.88 = 157,778.48/x
  3. Step 3: Cross multiply
    578,503.28x = 867,749.88 × 157,778.48
  4. Step 4: Simplify right side
    578,503.28x = 136,912,257,086.58
  5. Step 5: Solve for x
    x = 136,912,257,086.58/578,503.28
  6. Step 6: Final answer
    x = 236,666.35

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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.