Home / 817,432.12-1,226,133.86-367,834.78

Finding the Fourth Proportional to 817,432.12, 1,226,133.86 and 367,834.78

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Solution

The fourth proportional to 817,432.12, 1,226,133.86 and 367,834.78 is: 551,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,432.12 : 1,226,133.86 = 367,834.78 : x
  2. Step 2: Convert to fraction form
    817,432.12/1,226,133.86 = 367,834.78/x
  3. Step 3: Cross multiply
    817,432.12x = 1,226,133.86 × 367,834.78
  4. Step 4: Simplify right side
    817,432.12x = 451,014,678,643.65
  5. Step 5: Solve for x
    x = 451,014,678,643.65/817,432.12
  6. Step 6: Final answer
    x = 551,745.73

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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.