Home / 690,201.86-1,035,551.94-240,988.92

Finding the Fourth Proportional to 690,201.86, 1,035,551.94 and 240,988.92

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Solution

The fourth proportional to 690,201.86, 1,035,551.94 and 240,988.92 is: 361,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,201.86 : 1,035,551.94 = 240,988.92 : x
  2. Step 2: Convert to fraction form
    690,201.86/1,035,551.94 = 240,988.92/x
  3. Step 3: Cross multiply
    690,201.86x = 1,035,551.94 × 240,988.92
  4. Step 4: Simplify right side
    690,201.86x = 249,556,537,241.80
  5. Step 5: Solve for x
    x = 249,556,537,241.80/690,201.86
  6. Step 6: Final answer
    x = 361,570.37

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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.