Home / 778,088.56-1,074,120.78-548,832.64

Finding the Fourth Proportional to 778,088.56, 1,074,120.78 and 548,832.64

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Solution

The fourth proportional to 778,088.56, 1,074,120.78 and 548,832.64 is: 757,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,088.56 : 1,074,120.78 = 548,832.64 : x
  2. Step 2: Convert to fraction form
    778,088.56/1,074,120.78 = 548,832.64/x
  3. Step 3: Cross multiply
    778,088.56x = 1,074,120.78 × 548,832.64
  4. Step 4: Simplify right side
    778,088.56x = 589,512,543,366.26
  5. Step 5: Solve for x
    x = 589,512,543,366.26/778,088.56
  6. Step 6: Final answer
    x = 757,641.96

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1.5x scale

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.