Home / 666,756.39-1,000,438.21-282,610.53

Finding the Fourth Proportional to 666,756.39, 1,000,438.21 and 282,610.53

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Solution

The fourth proportional to 666,756.39, 1,000,438.21 and 282,610.53 is: 424,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,756.39 : 1,000,438.21 = 282,610.53 : x
  2. Step 2: Convert to fraction form
    666,756.39/1,000,438.21 = 282,610.53/x
  3. Step 3: Cross multiply
    666,756.39x = 1,000,438.21 × 282,610.53
  4. Step 4: Simplify right side
    666,756.39x = 282,734,372,760.35
  5. Step 5: Solve for x
    x = 282,734,372,760.35/666,756.39
  6. Step 6: Final answer
    x = 424,044.49

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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.