Home / 846,939.56-1,275,479.83-771,356.84

Finding the Fourth Proportional to 846,939.56, 1,275,479.83 and 771,356.84

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Solution

The fourth proportional to 846,939.56, 1,275,479.83 and 771,356.84 is: 1,161,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,939.56 : 1,275,479.83 = 771,356.84 : x
  2. Step 2: Convert to fraction form
    846,939.56/1,275,479.83 = 771,356.84/x
  3. Step 3: Cross multiply
    846,939.56x = 1,275,479.83 × 771,356.84
  4. Step 4: Simplify right side
    846,939.56x = 983,850,091,152.54
  5. Step 5: Solve for x
    x = 983,850,091,152.54/846,939.56
  6. Step 6: Final answer
    x = 1,161,653.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.