Home / 805,182.50-1,111,151.86-465,672.62

Finding the Fourth Proportional to 805,182.50, 1,111,151.86 and 465,672.62

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Solution

The fourth proportional to 805,182.50, 1,111,151.86 and 465,672.62 is: 642,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,182.50 : 1,111,151.86 = 465,672.62 : x
  2. Step 2: Convert to fraction form
    805,182.50/1,111,151.86 = 465,672.62/x
  3. Step 3: Cross multiply
    805,182.50x = 1,111,151.86 × 465,672.62
  4. Step 4: Simplify right side
    805,182.50x = 517,432,997,864.07
  5. Step 5: Solve for x
    x = 517,432,997,864.07/805,182.50
  6. Step 6: Final answer
    x = 642,628.22

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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.