Home / 690,198.32-1,035,546.58-240,985.36

Finding the Fourth Proportional to 690,198.32, 1,035,546.58 and 240,985.36

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Solution

The fourth proportional to 690,198.32, 1,035,546.58 and 240,985.36 is: 361,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,198.32 : 1,035,546.58 = 240,985.36 : x
  2. Step 2: Convert to fraction form
    690,198.32/1,035,546.58 = 240,985.36/x
  3. Step 3: Cross multiply
    690,198.32x = 1,035,546.58 × 240,985.36
  4. Step 4: Simplify right side
    690,198.32x = 249,551,565,378.07
  5. Step 5: Solve for x
    x = 249,551,565,378.07/690,198.32
  6. Step 6: Final answer
    x = 361,565.01

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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.