Home / 432,276.80-648,799.20-254,561.60

Finding the Fourth Proportional to 432,276.80, 648,799.20 and 254,561.60

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Solution

The fourth proportional to 432,276.80, 648,799.20 and 254,561.60 is: 382,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,276.80 : 648,799.20 = 254,561.60 : x
  2. Step 2: Convert to fraction form
    432,276.80/648,799.20 = 254,561.60/x
  3. Step 3: Cross multiply
    432,276.80x = 648,799.20 × 254,561.60
  4. Step 4: Simplify right side
    432,276.80x = 165,159,362,430.72
  5. Step 5: Solve for x
    x = 165,159,362,430.72/432,276.80
  6. Step 6: Final answer
    x = 382,068.53

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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.