Home / 772,286.32-1,065,783.96-432,742

Finding the Fourth Proportional to 772,286.32, 1,065,783.96 and 432,742

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Solution

The fourth proportional to 772,286.32, 1,065,783.96 and 432,742 is: 597,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,286.32 : 1,065,783.96 = 432,742 : x
  2. Step 2: Convert to fraction form
    772,286.32/1,065,783.96 = 432,742/x
  3. Step 3: Cross multiply
    772,286.32x = 1,065,783.96 × 432,742
  4. Step 4: Simplify right side
    772,286.32x = 461,209,482,418.32
  5. Step 5: Solve for x
    x = 461,209,482,418.32/772,286.32
  6. Step 6: Final answer
    x = 597,200.12

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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.