Home / 687,242.43-1,030,616.64-237,841.29

Finding the Fourth Proportional to 687,242.43, 1,030,616.64 and 237,841.29

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Solution

The fourth proportional to 687,242.43, 1,030,616.64 and 237,841.29 is: 356,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,242.43 : 1,030,616.64 = 237,841.29 : x
  2. Step 2: Convert to fraction form
    687,242.43/1,030,616.64 = 237,841.29/x
  3. Step 3: Cross multiply
    687,242.43x = 1,030,616.64 × 237,841.29
  4. Step 4: Simplify right side
    687,242.43x = 245,123,191,153.07
  5. Step 5: Solve for x
    x = 245,123,191,153.07/687,242.43
  6. Step 6: Final answer
    x = 356,676.45

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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.