Home / 767,705.45-1,149,196.21-500,891.45

Finding the Fourth Proportional to 767,705.45, 1,149,196.21 and 500,891.45

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Solution

The fourth proportional to 767,705.45, 1,149,196.21 and 500,891.45 is: 749,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,705.45 : 1,149,196.21 = 500,891.45 : x
  2. Step 2: Convert to fraction form
    767,705.45/1,149,196.21 = 500,891.45/x
  3. Step 3: Cross multiply
    767,705.45x = 1,149,196.21 × 500,891.45
  4. Step 4: Simplify right side
    767,705.45x = 575,622,548,963.20
  5. Step 5: Solve for x
    x = 575,622,548,963.20/767,705.45
  6. Step 6: Final answer
    x = 749,796.10

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Double scale
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1.5x scale

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.