Home / 819,395.04-1,229,472.72-346,190.88

Finding the Fourth Proportional to 819,395.04, 1,229,472.72 and 346,190.88

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Solution

The fourth proportional to 819,395.04, 1,229,472.72 and 346,190.88 is: 519,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,395.04 : 1,229,472.72 = 346,190.88 : x
  2. Step 2: Convert to fraction form
    819,395.04/1,229,472.72 = 346,190.88/x
  3. Step 3: Cross multiply
    819,395.04x = 1,229,472.72 × 346,190.88
  4. Step 4: Simplify right side
    819,395.04x = 425,632,242,872.79
  5. Step 5: Solve for x
    x = 425,632,242,872.79/819,395.04
  6. Step 6: Final answer
    x = 519,446.94

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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.