Home / 478,583.20-717,826.20-163,035.55

Finding the Fourth Proportional to 478,583.20, 717,826.20 and 163,035.55

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Solution

The fourth proportional to 478,583.20, 717,826.20 and 163,035.55 is: 244,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,583.20 : 717,826.20 = 163,035.55 : x
  2. Step 2: Convert to fraction form
    478,583.20/717,826.20 = 163,035.55/x
  3. Step 3: Cross multiply
    478,583.20x = 717,826.20 × 163,035.55
  4. Step 4: Simplify right side
    478,583.20x = 117,031,189,321.41
  5. Step 5: Solve for x
    x = 117,031,189,321.41/478,583.20
  6. Step 6: Final answer
    x = 244,536.77

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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.