Home / 819,391.04-1,229,466.72-346,186.88

Finding the Fourth Proportional to 819,391.04, 1,229,466.72 and 346,186.88

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Solution

The fourth proportional to 819,391.04, 1,229,466.72 and 346,186.88 is: 519,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,391.04 : 1,229,466.72 = 346,186.88 : x
  2. Step 2: Convert to fraction form
    819,391.04/1,229,466.72 = 346,186.88/x
  3. Step 3: Cross multiply
    819,391.04x = 1,229,466.72 × 346,186.88
  4. Step 4: Simplify right side
    819,391.04x = 425,625,247,860.63
  5. Step 5: Solve for x
    x = 425,625,247,860.63/819,391.04
  6. Step 6: Final answer
    x = 519,440.93

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1.5x scale

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.