Home / 868,679.20-1,303,018.80-658,727.20

Finding the Fourth Proportional to 868,679.20, 1,303,018.80 and 658,727.20

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Solution

The fourth proportional to 868,679.20, 1,303,018.80 and 658,727.20 is: 988,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,679.20 : 1,303,018.80 = 658,727.20 : x
  2. Step 2: Convert to fraction form
    868,679.20/1,303,018.80 = 658,727.20/x
  3. Step 3: Cross multiply
    868,679.20x = 1,303,018.80 × 658,727.20
  4. Step 4: Simplify right side
    868,679.20x = 858,333,925,671.36
  5. Step 5: Solve for x
    x = 858,333,925,671.36/868,679.20
  6. Step 6: Final answer
    x = 988,090.80

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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.