Home / 756,835.96-1,133,969.17-456,685.78

Finding the Fourth Proportional to 756,835.96, 1,133,969.17 and 456,685.78

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Solution

The fourth proportional to 756,835.96, 1,133,969.17 and 456,685.78 is: 684,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,835.96 : 1,133,969.17 = 456,685.78 : x
  2. Step 2: Convert to fraction form
    756,835.96/1,133,969.17 = 456,685.78/x
  3. Step 3: Cross multiply
    756,835.96x = 1,133,969.17 × 456,685.78
  4. Step 4: Simplify right side
    756,835.96x = 517,867,594,897.40
  5. Step 5: Solve for x
    x = 517,867,594,897.40/756,835.96
  6. Step 6: Final answer
    x = 684,253.42

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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.