Home / 773,005.32-1,159,838.46-399,290.76

Finding the Fourth Proportional to 773,005.32, 1,159,838.46 and 399,290.76

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Solution

The fourth proportional to 773,005.32, 1,159,838.46 and 399,290.76 is: 599,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,005.32 : 1,159,838.46 = 399,290.76 : x
  2. Step 2: Convert to fraction form
    773,005.32/1,159,838.46 = 399,290.76/x
  3. Step 3: Cross multiply
    773,005.32x = 1,159,838.46 × 399,290.76
  4. Step 4: Simplify right side
    773,005.32x = 463,112,780,170.63
  5. Step 5: Solve for x
    x = 463,112,780,170.63/773,005.32
  6. Step 6: Final answer
    x = 599,106.85

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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.