Home / 690,834.70-1,036,252.05-241,406.20

Finding the Fourth Proportional to 690,834.70, 1,036,252.05 and 241,406.20

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Solution

The fourth proportional to 690,834.70, 1,036,252.05 and 241,406.20 is: 362,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,834.70 : 1,036,252.05 = 241,406.20 : x
  2. Step 2: Convert to fraction form
    690,834.70/1,036,252.05 = 241,406.20/x
  3. Step 3: Cross multiply
    690,834.70x = 1,036,252.05 × 241,406.20
  4. Step 4: Simplify right side
    690,834.70x = 250,157,669,632.71
  5. Step 5: Solve for x
    x = 250,157,669,632.71/690,834.70
  6. Step 6: Final answer
    x = 362,109.30

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Double scale
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Similar ratio
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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.