Home / 689,167.85-950,912.26-402,632.57

Finding the Fourth Proportional to 689,167.85, 950,912.26 and 402,632.57

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Solution

The fourth proportional to 689,167.85, 950,912.26 and 402,632.57 is: 555,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,167.85 : 950,912.26 = 402,632.57 : x
  2. Step 2: Convert to fraction form
    689,167.85/950,912.26 = 402,632.57/x
  3. Step 3: Cross multiply
    689,167.85x = 950,912.26 × 402,632.57
  4. Step 4: Simplify right side
    689,167.85x = 382,868,248,459.01
  5. Step 5: Solve for x
    x = 382,868,248,459.01/689,167.85
  6. Step 6: Final answer
    x = 555,551.53

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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.