Home / 678,922.68-1,018,494.18-229,670.86

Finding the Fourth Proportional to 678,922.68, 1,018,494.18 and 229,670.86

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Solution

The fourth proportional to 678,922.68, 1,018,494.18 and 229,670.86 is: 344,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,922.68 : 1,018,494.18 = 229,670.86 : x
  2. Step 2: Convert to fraction form
    678,922.68/1,018,494.18 = 229,670.86/x
  3. Step 3: Cross multiply
    678,922.68x = 1,018,494.18 × 229,670.86
  4. Step 4: Simplify right side
    678,922.68x = 233,918,434,225.60
  5. Step 5: Solve for x
    x = 233,918,434,225.60/678,922.68
  6. Step 6: Final answer
    x = 344,543.56

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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.