Home / 486,239.02-670,711.53-322,902.52

Finding the Fourth Proportional to 486,239.02, 670,711.53 and 322,902.52

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Solution

The fourth proportional to 486,239.02, 670,711.53 and 322,902.52 is: 445,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,239.02 : 670,711.53 = 322,902.52 : x
  2. Step 2: Convert to fraction form
    486,239.02/670,711.53 = 322,902.52/x
  3. Step 3: Cross multiply
    486,239.02x = 670,711.53 × 322,902.52
  4. Step 4: Simplify right side
    486,239.02x = 216,574,443,230.06
  5. Step 5: Solve for x
    x = 216,574,443,230.06/486,239.02
  6. Step 6: Final answer
    x = 445,407.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.