Home / 705,077.26-1,055,276.10-642,042.45

Finding the Fourth Proportional to 705,077.26, 1,055,276.10 and 642,042.45

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Solution

The fourth proportional to 705,077.26, 1,055,276.10 and 642,042.45 is: 960,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,077.26 : 1,055,276.10 = 642,042.45 : x
  2. Step 2: Convert to fraction form
    705,077.26/1,055,276.10 = 642,042.45/x
  3. Step 3: Cross multiply
    705,077.26x = 1,055,276.10 × 642,042.45
  4. Step 4: Simplify right side
    705,077.26x = 677,532,052,670.45
  5. Step 5: Solve for x
    x = 677,532,052,670.45/705,077.26
  6. Step 6: Final answer
    x = 960,933.07

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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.