Home / 822,289.44-1,234,057.32-349,306.68

Finding the Fourth Proportional to 822,289.44, 1,234,057.32 and 349,306.68

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Solution

The fourth proportional to 822,289.44, 1,234,057.32 and 349,306.68 is: 524,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,289.44 : 1,234,057.32 = 349,306.68 : x
  2. Step 2: Convert to fraction form
    822,289.44/1,234,057.32 = 349,306.68/x
  3. Step 3: Cross multiply
    822,289.44x = 1,234,057.32 × 349,306.68
  4. Step 4: Simplify right side
    822,289.44x = 431,064,465,378.90
  5. Step 5: Solve for x
    x = 431,064,465,378.90/822,289.44
  6. Step 6: Final answer
    x = 524,224.74

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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.