Home / 942,230.75-1,412,809.09-643,073.45

Finding the Fourth Proportional to 942,230.75, 1,412,809.09 and 643,073.45

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Solution

The fourth proportional to 942,230.75, 1,412,809.09 and 643,073.45 is: 964,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,230.75 : 1,412,809.09 = 643,073.45 : x
  2. Step 2: Convert to fraction form
    942,230.75/1,412,809.09 = 643,073.45/x
  3. Step 3: Cross multiply
    942,230.75x = 1,412,809.09 × 643,073.45
  4. Step 4: Simplify right side
    942,230.75x = 908,540,007,025.93
  5. Step 5: Solve for x
    x = 908,540,007,025.93/942,230.75
  6. Step 6: Final answer
    x = 964,243.64

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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.