Home / 690,930.20-1,036,395.30-241,501.70

Finding the Fourth Proportional to 690,930.20, 1,036,395.30 and 241,501.70

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Solution

The fourth proportional to 690,930.20, 1,036,395.30 and 241,501.70 is: 362,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,930.20 : 1,036,395.30 = 241,501.70 : x
  2. Step 2: Convert to fraction form
    690,930.20/1,036,395.30 = 241,501.70/x
  3. Step 3: Cross multiply
    690,930.20x = 1,036,395.30 × 241,501.70
  4. Step 4: Simplify right side
    690,930.20x = 250,291,226,822.01
  5. Step 5: Solve for x
    x = 250,291,226,822.01/690,930.20
  6. Step 6: Final answer
    x = 362,252.55

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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.