Home / 690,198.82-1,035,547.33-240,985.86

Finding the Fourth Proportional to 690,198.82, 1,035,547.33 and 240,985.86

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Solution

The fourth proportional to 690,198.82, 1,035,547.33 and 240,985.86 is: 361,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,198.82 : 1,035,547.33 = 240,985.86 : x
  2. Step 2: Convert to fraction form
    690,198.82/1,035,547.33 = 240,985.86/x
  3. Step 3: Cross multiply
    690,198.82x = 1,035,547.33 × 240,985.86
  4. Step 4: Simplify right side
    690,198.82x = 249,552,263,890.75
  5. Step 5: Solve for x
    x = 249,552,263,890.75/690,198.82
  6. Step 6: Final answer
    x = 361,565.76

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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.