Home / 851,658.87-1,175,290.36-464,475.13

Finding the Fourth Proportional to 851,658.87, 1,175,290.36 and 464,475.13

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Solution

The fourth proportional to 851,658.87, 1,175,290.36 and 464,475.13 is: 640,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,658.87 : 1,175,290.36 = 464,475.13 : x
  2. Step 2: Convert to fraction form
    851,658.87/1,175,290.36 = 464,475.13/x
  3. Step 3: Cross multiply
    851,658.87x = 1,175,290.36 × 464,475.13
  4. Step 4: Simplify right side
    851,658.87x = 545,893,138,649.33
  5. Step 5: Solve for x
    x = 545,893,138,649.33/851,658.87
  6. Step 6: Final answer
    x = 640,976.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.