Home / 852,284.12-1,176,218.48-489,834.44

Finding the Fourth Proportional to 852,284.12, 1,176,218.48 and 489,834.44

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Solution

The fourth proportional to 852,284.12, 1,176,218.48 and 489,834.44 is: 676,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,284.12 : 1,176,218.48 = 489,834.44 : x
  2. Step 2: Convert to fraction form
    852,284.12/1,176,218.48 = 489,834.44/x
  3. Step 3: Cross multiply
    852,284.12x = 1,176,218.48 × 489,834.44
  4. Step 4: Simplify right side
    852,284.12x = 576,152,320,468.45
  5. Step 5: Solve for x
    x = 576,152,320,468.45/852,284.12
  6. Step 6: Final answer
    x = 676,009.69

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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.