Home / 988,337.70-1,481,522.40-454,928.40

Finding the Fourth Proportional to 988,337.70, 1,481,522.40 and 454,928.40

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Solution

The fourth proportional to 988,337.70, 1,481,522.40 and 454,928.40 is: 681,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,337.70 : 1,481,522.40 = 454,928.40 : x
  2. Step 2: Convert to fraction form
    988,337.70/1,481,522.40 = 454,928.40/x
  3. Step 3: Cross multiply
    988,337.70x = 1,481,522.40 × 454,928.40
  4. Step 4: Simplify right side
    988,337.70x = 673,986,614,996.16
  5. Step 5: Solve for x
    x = 673,986,614,996.16/988,337.70
  6. Step 6: Final answer
    x = 681,939.60

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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.