Home / 756,818.03-1,133,942.40-456,667.92

Finding the Fourth Proportional to 756,818.03, 1,133,942.40 and 456,667.92

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Solution

The fourth proportional to 756,818.03, 1,133,942.40 and 456,667.92 is: 684,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,818.03 : 1,133,942.40 = 456,667.92 : x
  2. Step 2: Convert to fraction form
    756,818.03/1,133,942.40 = 456,667.92/x
  3. Step 3: Cross multiply
    756,818.03x = 1,133,942.40 × 456,667.92
  4. Step 4: Simplify right side
    756,818.03x = 517,835,117,207.81
  5. Step 5: Solve for x
    x = 517,835,117,207.81/756,818.03
  6. Step 6: Final answer
    x = 684,226.72

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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.