Home / 852,543.73-1,176,538.86-465,382.12

Finding the Fourth Proportional to 852,543.73, 1,176,538.86 and 465,382.12

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Solution

The fourth proportional to 852,543.73, 1,176,538.86 and 465,382.12 is: 642,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,543.73 : 1,176,538.86 = 465,382.12 : x
  2. Step 2: Convert to fraction form
    852,543.73/1,176,538.86 = 465,382.12/x
  3. Step 3: Cross multiply
    852,543.73x = 1,176,538.86 × 465,382.12
  4. Step 4: Simplify right side
    852,543.73x = 547,540,148,929.18
  5. Step 5: Solve for x
    x = 547,540,148,929.18/852,543.73
  6. Step 6: Final answer
    x = 642,242.89

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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.