Home / 868,927.20-1,303,390.80-658,975.20

Finding the Fourth Proportional to 868,927.20, 1,303,390.80 and 658,975.20

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Solution

The fourth proportional to 868,927.20, 1,303,390.80 and 658,975.20 is: 988,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,927.20 : 1,303,390.80 = 658,975.20 : x
  2. Step 2: Convert to fraction form
    868,927.20/1,303,390.80 = 658,975.20/x
  3. Step 3: Cross multiply
    868,927.20x = 1,303,390.80 × 658,975.20
  4. Step 4: Simplify right side
    868,927.20x = 858,902,213,108.16
  5. Step 5: Solve for x
    x = 858,902,213,108.16/868,927.20
  6. Step 6: Final answer
    x = 988,462.80

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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.