Home / 690,199.32-1,035,548.08-240,986.36

Finding the Fourth Proportional to 690,199.32, 1,035,548.08 and 240,986.36

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Solution

The fourth proportional to 690,199.32, 1,035,548.08 and 240,986.36 is: 361,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,199.32 : 1,035,548.08 = 240,986.36 : x
  2. Step 2: Convert to fraction form
    690,199.32/1,035,548.08 = 240,986.36/x
  3. Step 3: Cross multiply
    690,199.32x = 1,035,548.08 × 240,986.36
  4. Step 4: Simplify right side
    690,199.32x = 249,552,962,404.19
  5. Step 5: Solve for x
    x = 249,552,962,404.19/690,199.32
  6. Step 6: Final answer
    x = 361,566.51

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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.