Home / 822,347.44-1,134,979.74-478,382.98

Finding the Fourth Proportional to 822,347.44, 1,134,979.74 and 478,382.98

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Solution

The fourth proportional to 822,347.44, 1,134,979.74 and 478,382.98 is: 660,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,347.44 : 1,134,979.74 = 478,382.98 : x
  2. Step 2: Convert to fraction form
    822,347.44/1,134,979.74 = 478,382.98/x
  3. Step 3: Cross multiply
    822,347.44x = 1,134,979.74 × 478,382.98
  4. Step 4: Simplify right side
    822,347.44x = 542,954,990,260.83
  5. Step 5: Solve for x
    x = 542,954,990,260.83/822,347.44
  6. Step 6: Final answer
    x = 660,250.11

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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.