Home / 690,200.32-1,035,549.58-240,987.36

Finding the Fourth Proportional to 690,200.32, 1,035,549.58 and 240,987.36

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Solution

The fourth proportional to 690,200.32, 1,035,549.58 and 240,987.36 is: 361,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,200.32 : 1,035,549.58 = 240,987.36 : x
  2. Step 2: Convert to fraction form
    690,200.32/1,035,549.58 = 240,987.36/x
  3. Step 3: Cross multiply
    690,200.32x = 1,035,549.58 × 240,987.36
  4. Step 4: Simplify right side
    690,200.32x = 249,554,359,433.31
  5. Step 5: Solve for x
    x = 249,554,359,433.31/690,200.32
  6. Step 6: Final answer
    x = 361,568.01

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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.