Home / 690,859.20-1,036,288.80-241,430.70

Finding the Fourth Proportional to 690,859.20, 1,036,288.80 and 241,430.70

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Solution

The fourth proportional to 690,859.20, 1,036,288.80 and 241,430.70 is: 362,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,859.20 : 1,036,288.80 = 241,430.70 : x
  2. Step 2: Convert to fraction form
    690,859.20/1,036,288.80 = 241,430.70/x
  3. Step 3: Cross multiply
    690,859.20x = 1,036,288.80 × 241,430.70
  4. Step 4: Simplify right side
    690,859.20x = 250,191,930,386.16
  5. Step 5: Solve for x
    x = 250,191,930,386.16/690,859.20
  6. Step 6: Final answer
    x = 362,146.05

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Similar ratio
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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.