Home / 412,926.30-619,389.45-369,623.70

Finding the Fourth Proportional to 412,926.30, 619,389.45 and 369,623.70

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Solution

The fourth proportional to 412,926.30, 619,389.45 and 369,623.70 is: 554,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,926.30 : 619,389.45 = 369,623.70 : x
  2. Step 2: Convert to fraction form
    412,926.30/619,389.45 = 369,623.70/x
  3. Step 3: Cross multiply
    412,926.30x = 619,389.45 × 369,623.70
  4. Step 4: Simplify right side
    412,926.30x = 228,941,020,249.97
  5. Step 5: Solve for x
    x = 228,941,020,249.97/412,926.30
  6. Step 6: Final answer
    x = 554,435.55

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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.