Home / 763,728.80-1,143,260.40-595,767.20

Finding the Fourth Proportional to 763,728.80, 1,143,260.40 and 595,767.20

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Solution

The fourth proportional to 763,728.80, 1,143,260.40 and 595,767.20 is: 891,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,728.80 : 1,143,260.40 = 595,767.20 : x
  2. Step 2: Convert to fraction form
    763,728.80/1,143,260.40 = 595,767.20/x
  3. Step 3: Cross multiply
    763,728.80x = 1,143,260.40 × 595,767.20
  4. Step 4: Simplify right side
    763,728.80x = 681,117,047,378.88
  5. Step 5: Solve for x
    x = 681,117,047,378.88/763,728.80
  6. Step 6: Final answer
    x = 891,831.04

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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.