Home / 687,902.23-1,031,066.02-266,817.25

Finding the Fourth Proportional to 687,902.23, 1,031,066.02 and 266,817.25

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Solution

The fourth proportional to 687,902.23, 1,031,066.02 and 266,817.25 is: 399,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,902.23 : 1,031,066.02 = 266,817.25 : x
  2. Step 2: Convert to fraction form
    687,902.23/1,031,066.02 = 266,817.25/x
  3. Step 3: Cross multiply
    687,902.23x = 1,031,066.02 × 266,817.25
  4. Step 4: Simplify right side
    687,902.23x = 275,106,200,024.85
  5. Step 5: Solve for x
    x = 275,106,200,024.85/687,902.23
  6. Step 6: Final answer
    x = 399,920.49

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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.