Home / 875,500.32-1,313,290.74-268,245.16

Finding the Fourth Proportional to 875,500.32, 1,313,290.74 and 268,245.16

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Solution

The fourth proportional to 875,500.32, 1,313,290.74 and 268,245.16 is: 402,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,500.32 : 1,313,290.74 = 268,245.16 : x
  2. Step 2: Convert to fraction form
    875,500.32/1,313,290.74 = 268,245.16/x
  3. Step 3: Cross multiply
    875,500.32x = 1,313,290.74 × 268,245.16
  4. Step 4: Simplify right side
    875,500.32x = 352,283,884,677.82
  5. Step 5: Solve for x
    x = 352,283,884,677.82/875,500.32
  6. Step 6: Final answer
    x = 402,380.08

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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.