Home / 875,158.38-1,312,263.72-394,824.84

Finding the Fourth Proportional to 875,158.38, 1,312,263.72 and 394,824.84

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Solution

The fourth proportional to 875,158.38, 1,312,263.72 and 394,824.84 is: 592,023.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,158.38 : 1,312,263.72 = 394,824.84 : x
  2. Step 2: Convert to fraction form
    875,158.38/1,312,263.72 = 394,824.84/x
  3. Step 3: Cross multiply
    875,158.38x = 1,312,263.72 × 394,824.84
  4. Step 4: Simplify right side
    875,158.38x = 518,114,313,286.81
  5. Step 5: Solve for x
    x = 518,114,313,286.81/875,158.38
  6. Step 6: Final answer
    x = 592,023.48

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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.