Home / 866,642.09-1,300,416.41-354,687.26

Finding the Fourth Proportional to 866,642.09, 1,300,416.41 and 354,687.26

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Solution

The fourth proportional to 866,642.09, 1,300,416.41 and 354,687.26 is: 532,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,642.09 : 1,300,416.41 = 354,687.26 : x
  2. Step 2: Convert to fraction form
    866,642.09/1,300,416.41 = 354,687.26/x
  3. Step 3: Cross multiply
    866,642.09x = 1,300,416.41 × 354,687.26
  4. Step 4: Simplify right side
    866,642.09x = 461,241,125,711.46
  5. Step 5: Solve for x
    x = 461,241,125,711.46/866,642.09
  6. Step 6: Final answer
    x = 532,216.39

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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.