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Finding the Fourth Proportional to 897,995.75, 1,347,215.57 and 266,906.93

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Solution

The fourth proportional to 897,995.75, 1,347,215.57 and 266,906.93 is: 400,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,995.75 : 1,347,215.57 = 266,906.93 : x
  2. Step 2: Convert to fraction form
    897,995.75/1,347,215.57 = 266,906.93/x
  3. Step 3: Cross multiply
    897,995.75x = 1,347,215.57 × 266,906.93
  4. Step 4: Simplify right side
    897,995.75x = 359,581,170,502.37
  5. Step 5: Solve for x
    x = 359,581,170,502.37/897,995.75
  6. Step 6: Final answer
    x = 400,426.36

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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.