Home / 875,515.38-1,313,312.43-268,259.21

Finding the Fourth Proportional to 875,515.38, 1,313,312.43 and 268,259.21

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Solution

The fourth proportional to 875,515.38, 1,313,312.43 and 268,259.21 is: 402,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,515.38 : 1,313,312.43 = 268,259.21 : x
  2. Step 2: Convert to fraction form
    875,515.38/1,313,312.43 = 268,259.21/x
  3. Step 3: Cross multiply
    875,515.38x = 1,313,312.43 × 268,259.21
  4. Step 4: Simplify right side
    875,515.38x = 352,308,157,232.29
  5. Step 5: Solve for x
    x = 352,308,157,232.29/875,515.38
  6. Step 6: Final answer
    x = 402,400.88

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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.