Home / 486,243.02-670,717.05-322,906.52

Finding the Fourth Proportional to 486,243.02, 670,717.05 and 322,906.52

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Solution

The fourth proportional to 486,243.02, 670,717.05 and 322,906.52 is: 445,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,243.02 : 670,717.05 = 322,906.52 : x
  2. Step 2: Convert to fraction form
    486,243.02/670,717.05 = 322,906.52/x
  3. Step 3: Cross multiply
    486,243.02x = 670,717.05 × 322,906.52
  4. Step 4: Simplify right side
    486,243.02x = 216,578,908,520.17
  5. Step 5: Solve for x
    x = 216,578,908,520.17/486,243.02
  6. Step 6: Final answer
    x = 445,412.89

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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.