Home / 690,175.80-1,035,298.80-216,865.80

Finding the Fourth Proportional to 690,175.80, 1,035,298.80 and 216,865.80

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Solution

The fourth proportional to 690,175.80, 1,035,298.80 and 216,865.80 is: 325,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,175.80 : 1,035,298.80 = 216,865.80 : x
  2. Step 2: Convert to fraction form
    690,175.80/1,035,298.80 = 216,865.80/x
  3. Step 3: Cross multiply
    690,175.80x = 1,035,298.80 × 216,865.80
  4. Step 4: Simplify right side
    690,175.80x = 224,520,902,501.04
  5. Step 5: Solve for x
    x = 224,520,902,501.04/690,175.80
  6. Step 6: Final answer
    x = 325,309.73

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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.