Home / 956,568.34-1,320,037.70-520,976.15

Finding the Fourth Proportional to 956,568.34, 1,320,037.70 and 520,976.15

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Solution

The fourth proportional to 956,568.34, 1,320,037.70 and 520,976.15 is: 718,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,568.34 : 1,320,037.70 = 520,976.15 : x
  2. Step 2: Convert to fraction form
    956,568.34/1,320,037.70 = 520,976.15/x
  3. Step 3: Cross multiply
    956,568.34x = 1,320,037.70 × 520,976.15
  4. Step 4: Simplify right side
    956,568.34x = 687,708,163,403.39
  5. Step 5: Solve for x
    x = 687,708,163,403.39/956,568.34
  6. Step 6: Final answer
    x = 718,932.60

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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.