Home / 690,247.80-1,035,406.80-216,937.80

Finding the Fourth Proportional to 690,247.80, 1,035,406.80 and 216,937.80

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Solution

The fourth proportional to 690,247.80, 1,035,406.80 and 216,937.80 is: 325,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,247.80 : 1,035,406.80 = 216,937.80 : x
  2. Step 2: Convert to fraction form
    690,247.80/1,035,406.80 = 216,937.80/x
  3. Step 3: Cross multiply
    690,247.80x = 1,035,406.80 × 216,937.80
  4. Step 4: Simplify right side
    690,247.80x = 224,618,873,297.04
  5. Step 5: Solve for x
    x = 224,618,873,297.04/690,247.80
  6. Step 6: Final answer
    x = 325,417.73

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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.