Home / 914,658.44-1,372,141.96-315,459.32

Finding the Fourth Proportional to 914,658.44, 1,372,141.96 and 315,459.32

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Solution

The fourth proportional to 914,658.44, 1,372,141.96 and 315,459.32 is: 473,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,658.44 : 1,372,141.96 = 315,459.32 : x
  2. Step 2: Convert to fraction form
    914,658.44/1,372,141.96 = 315,459.32/x
  3. Step 3: Cross multiply
    914,658.44x = 1,372,141.96 × 315,459.32
  4. Step 4: Simplify right side
    914,658.44x = 432,854,969,645.07
  5. Step 5: Solve for x
    x = 432,854,969,645.07/914,658.44
  6. Step 6: Final answer
    x = 473,242.20

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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.