Home / 690,674.90-1,036,012.35-504,050.90

Finding the Fourth Proportional to 690,674.90, 1,036,012.35 and 504,050.90

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Solution

The fourth proportional to 690,674.90, 1,036,012.35 and 504,050.90 is: 756,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,674.90 : 1,036,012.35 = 504,050.90 : x
  2. Step 2: Convert to fraction form
    690,674.90/1,036,012.35 = 504,050.90/x
  3. Step 3: Cross multiply
    690,674.90x = 1,036,012.35 × 504,050.90
  4. Step 4: Simplify right side
    690,674.90x = 522,202,957,428.62
  5. Step 5: Solve for x
    x = 522,202,957,428.62/690,674.90
  6. Step 6: Final answer
    x = 756,076.35

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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.