Home / 903,463.20-1,355,194.80-690,886.80

Finding the Fourth Proportional to 903,463.20, 1,355,194.80 and 690,886.80

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Solution

The fourth proportional to 903,463.20, 1,355,194.80 and 690,886.80 is: 1,036,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,463.20 : 1,355,194.80 = 690,886.80 : x
  2. Step 2: Convert to fraction form
    903,463.20/1,355,194.80 = 690,886.80/x
  3. Step 3: Cross multiply
    903,463.20x = 1,355,194.80 × 690,886.80
  4. Step 4: Simplify right side
    903,463.20x = 936,286,198,748.64
  5. Step 5: Solve for x
    x = 936,286,198,748.64/903,463.20
  6. Step 6: Final answer
    x = 1,036,330.20

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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.