Home / 726,616.92-1,089,931.50-253,301.40

Finding the Fourth Proportional to 726,616.92, 1,089,931.50 and 253,301.40

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Solution

The fourth proportional to 726,616.92, 1,089,931.50 and 253,301.40 is: 379,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,616.92 : 1,089,931.50 = 253,301.40 : x
  2. Step 2: Convert to fraction form
    726,616.92/1,089,931.50 = 253,301.40/x
  3. Step 3: Cross multiply
    726,616.92x = 1,089,931.50 × 253,301.40
  4. Step 4: Simplify right side
    726,616.92x = 276,081,174,854.10
  5. Step 5: Solve for x
    x = 276,081,174,854.10/726,616.92
  6. Step 6: Final answer
    x = 379,954.23

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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.