Home / 822,939.44-1,234,153.89-290,335.91

Finding the Fourth Proportional to 822,939.44, 1,234,153.89 and 290,335.91

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Solution

The fourth proportional to 822,939.44, 1,234,153.89 and 290,335.91 is: 435,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,939.44 : 1,234,153.89 = 290,335.91 : x
  2. Step 2: Convert to fraction form
    822,939.44/1,234,153.89 = 290,335.91/x
  3. Step 3: Cross multiply
    822,939.44x = 1,234,153.89 × 290,335.91
  4. Step 4: Simplify right side
    822,939.44x = 358,319,195,818.58
  5. Step 5: Solve for x
    x = 358,319,195,818.58/822,939.44
  6. Step 6: Final answer
    x = 435,413.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.