Home / 906,009.70-1,359,014.79-266,313.46

Finding the Fourth Proportional to 906,009.70, 1,359,014.79 and 266,313.46

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Solution

The fourth proportional to 906,009.70, 1,359,014.79 and 266,313.46 is: 399,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,009.70 : 1,359,014.79 = 266,313.46 : x
  2. Step 2: Convert to fraction form
    906,009.70/1,359,014.79 = 266,313.46/x
  3. Step 3: Cross multiply
    906,009.70x = 1,359,014.79 × 266,313.46
  4. Step 4: Simplify right side
    906,009.70x = 361,923,930,916.07
  5. Step 5: Solve for x
    x = 361,923,930,916.07/906,009.70
  6. Step 6: Final answer
    x = 399,470.26

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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.