Home / 946,661.28-1,306,403.28-516,946.56

Finding the Fourth Proportional to 946,661.28, 1,306,403.28 and 516,946.56

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Solution

The fourth proportional to 946,661.28, 1,306,403.28 and 516,946.56 is: 713,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,661.28 : 1,306,403.28 = 516,946.56 : x
  2. Step 2: Convert to fraction form
    946,661.28/1,306,403.28 = 516,946.56/x
  3. Step 3: Cross multiply
    946,661.28x = 1,306,403.28 × 516,946.56
  4. Step 4: Simplify right side
    946,661.28x = 675,340,681,568.72
  5. Step 5: Solve for x
    x = 675,340,681,568.72/946,661.28
  6. Step 6: Final answer
    x = 713,392.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.