Home / 754,486.16-1,131,712.84-354,905.48

Finding the Fourth Proportional to 754,486.16, 1,131,712.84 and 354,905.48

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Solution

The fourth proportional to 754,486.16, 1,131,712.84 and 354,905.48 is: 532,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,486.16 : 1,131,712.84 = 354,905.48 : x
  2. Step 2: Convert to fraction form
    754,486.16/1,131,712.84 = 354,905.48/x
  3. Step 3: Cross multiply
    754,486.16x = 1,131,712.84 × 354,905.48
  4. Step 4: Simplify right side
    754,486.16x = 401,651,088,702.36
  5. Step 5: Solve for x
    x = 401,651,088,702.36/754,486.16
  6. Step 6: Final answer
    x = 532,350.51

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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.