Home / 690,424.88-1,035,674.22-217,147.14

Finding the Fourth Proportional to 690,424.88, 1,035,674.22 and 217,147.14

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Solution

The fourth proportional to 690,424.88, 1,035,674.22 and 217,147.14 is: 325,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,424.88 : 1,035,674.22 = 217,147.14 : x
  2. Step 2: Convert to fraction form
    690,424.88/1,035,674.22 = 217,147.14/x
  3. Step 3: Cross multiply
    690,424.88x = 1,035,674.22 × 217,147.14
  4. Step 4: Simplify right side
    690,424.88x = 224,893,694,437.58
  5. Step 5: Solve for x
    x = 224,893,694,437.58/690,424.88
  6. Step 6: Final answer
    x = 325,732.32

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Double scale
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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.