Home / 690,199.82-1,035,548.83-240,986.86

Finding the Fourth Proportional to 690,199.82, 1,035,548.83 and 240,986.86

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Solution

The fourth proportional to 690,199.82, 1,035,548.83 and 240,986.86 is: 361,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,199.82 : 1,035,548.83 = 240,986.86 : x
  2. Step 2: Convert to fraction form
    690,199.82/1,035,548.83 = 240,986.86/x
  3. Step 3: Cross multiply
    690,199.82x = 1,035,548.83 × 240,986.86
  4. Step 4: Simplify right side
    690,199.82x = 249,553,660,918.37
  5. Step 5: Solve for x
    x = 249,553,660,918.37/690,199.82
  6. Step 6: Final answer
    x = 361,567.26

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1.5x scale

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.