Home / 755,339.10-1,133,008.65-726,308.70

Finding the Fourth Proportional to 755,339.10, 1,133,008.65 and 726,308.70

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Solution

The fourth proportional to 755,339.10, 1,133,008.65 and 726,308.70 is: 1,089,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,339.10 : 1,133,008.65 = 726,308.70 : x
  2. Step 2: Convert to fraction form
    755,339.10/1,133,008.65 = 726,308.70/x
  3. Step 3: Cross multiply
    755,339.10x = 1,133,008.65 × 726,308.70
  4. Step 4: Simplify right side
    755,339.10x = 822,914,039,670.26
  5. Step 5: Solve for x
    x = 822,914,039,670.26/755,339.10
  6. Step 6: Final answer
    x = 1,089,463.05

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Similar ratio
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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.