Home / 875,612.70-1,313,458.34-268,356.51

Finding the Fourth Proportional to 875,612.70, 1,313,458.34 and 268,356.51

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Solution

The fourth proportional to 875,612.70, 1,313,458.34 and 268,356.51 is: 402,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,612.70 : 1,313,458.34 = 268,356.51 : x
  2. Step 2: Convert to fraction form
    875,612.70/1,313,458.34 = 268,356.51/x
  3. Step 3: Cross multiply
    875,612.70x = 1,313,458.34 × 268,356.51
  4. Step 4: Simplify right side
    875,612.70x = 352,475,094,811.01
  5. Step 5: Solve for x
    x = 352,475,094,811.01/875,612.70
  6. Step 6: Final answer
    x = 402,546.81

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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.