Home / 726,673.50-1,090,232.19-371,938.86

Finding the Fourth Proportional to 726,673.50, 1,090,232.19 and 371,938.86

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Solution

The fourth proportional to 726,673.50, 1,090,232.19 and 371,938.86 is: 558,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,673.50 : 1,090,232.19 = 371,938.86 : x
  2. Step 2: Convert to fraction form
    726,673.50/1,090,232.19 = 371,938.86/x
  3. Step 3: Cross multiply
    726,673.50x = 1,090,232.19 × 371,938.86
  4. Step 4: Simplify right side
    726,673.50x = 405,499,717,883.90
  5. Step 5: Solve for x
    x = 405,499,717,883.90/726,673.50
  6. Step 6: Final answer
    x = 558,021.89

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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.