Home / 852,499.50-1,176,315.39-489,853.32

Finding the Fourth Proportional to 852,499.50, 1,176,315.39 and 489,853.32

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Solution

The fourth proportional to 852,499.50, 1,176,315.39 and 489,853.32 is: 675,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,499.50 : 1,176,315.39 = 489,853.32 : x
  2. Step 2: Convert to fraction form
    852,499.50/1,176,315.39 = 489,853.32/x
  3. Step 3: Cross multiply
    852,499.50x = 1,176,315.39 × 489,853.32
  4. Step 4: Simplify right side
    852,499.50x = 576,221,999,158.60
  5. Step 5: Solve for x
    x = 576,221,999,158.60/852,499.50
  6. Step 6: Final answer
    x = 675,920.63

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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.