Home / 689,197.10-950,952.62-402,661.82

Finding the Fourth Proportional to 689,197.10, 950,952.62 and 402,661.82

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Solution

The fourth proportional to 689,197.10, 950,952.62 and 402,661.82 is: 555,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,197.10 : 950,952.62 = 402,661.82 : x
  2. Step 2: Convert to fraction form
    689,197.10/950,952.62 = 402,661.82/x
  3. Step 3: Cross multiply
    689,197.10x = 950,952.62 × 402,661.82
  4. Step 4: Simplify right side
    689,197.10x = 382,912,316,087.01
  5. Step 5: Solve for x
    x = 382,912,316,087.01/689,197.10
  6. Step 6: Final answer
    x = 555,591.89

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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.