Home / 842,816.14-1,263,831.16-437,899.50

Finding the Fourth Proportional to 842,816.14, 1,263,831.16 and 437,899.50

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Solution

The fourth proportional to 842,816.14, 1,263,831.16 and 437,899.50 is: 656,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,816.14 : 1,263,831.16 = 437,899.50 : x
  2. Step 2: Convert to fraction form
    842,816.14/1,263,831.16 = 437,899.50/x
  3. Step 3: Cross multiply
    842,816.14x = 1,263,831.16 × 437,899.50
  4. Step 4: Simplify right side
    842,816.14x = 553,431,034,006.33
  5. Step 5: Solve for x
    x = 553,431,034,006.33/842,816.14
  6. Step 6: Final answer
    x = 656,645.04

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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.