Home / 465,376.80-642,280.56-284,051.04

Finding the Fourth Proportional to 465,376.80, 642,280.56 and 284,051.04

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Solution

The fourth proportional to 465,376.80, 642,280.56 and 284,051.04 is: 392,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,376.80 : 642,280.56 = 284,051.04 : x
  2. Step 2: Convert to fraction form
    465,376.80/642,280.56 = 284,051.04/x
  3. Step 3: Cross multiply
    465,376.80x = 642,280.56 × 284,051.04
  4. Step 4: Simplify right side
    465,376.80x = 182,440,461,039.78
  5. Step 5: Solve for x
    x = 182,440,461,039.78/465,376.80
  6. Step 6: Final answer
    x = 392,027.41

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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.