Home / 449,439.40-674,936.70-239,487.40

Finding the Fourth Proportional to 449,439.40, 674,936.70 and 239,487.40

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Solution

The fourth proportional to 449,439.40, 674,936.70 and 239,487.40 is: 359,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,439.40 : 674,936.70 = 239,487.40 : x
  2. Step 2: Convert to fraction form
    449,439.40/674,936.70 = 239,487.40/x
  3. Step 3: Cross multiply
    449,439.40x = 674,936.70 × 239,487.40
  4. Step 4: Simplify right side
    449,439.40x = 161,638,835,447.58
  5. Step 5: Solve for x
    x = 161,638,835,447.58/449,439.40
  6. Step 6: Final answer
    x = 359,645.45

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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.