Home / 875,159.88-1,312,265.97-394,826.34

Finding the Fourth Proportional to 875,159.88, 1,312,265.97 and 394,826.34

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Solution

The fourth proportional to 875,159.88, 1,312,265.97 and 394,826.34 is: 592,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,159.88 : 1,312,265.97 = 394,826.34 : x
  2. Step 2: Convert to fraction form
    875,159.88/1,312,265.97 = 394,826.34/x
  3. Step 3: Cross multiply
    875,159.88x = 1,312,265.97 × 394,826.34
  4. Step 4: Simplify right side
    875,159.88x = 518,117,170,041.65
  5. Step 5: Solve for x
    x = 518,117,170,041.65/875,159.88
  6. Step 6: Final answer
    x = 592,025.73

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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.