Home / 785,479.56-1,178,195.82-216,895.50

Finding the Fourth Proportional to 785,479.56, 1,178,195.82 and 216,895.50

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Solution

The fourth proportional to 785,479.56, 1,178,195.82 and 216,895.50 is: 325,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,479.56 : 1,178,195.82 = 216,895.50 : x
  2. Step 2: Convert to fraction form
    785,479.56/1,178,195.82 = 216,895.50/x
  3. Step 3: Cross multiply
    785,479.56x = 1,178,195.82 × 216,895.50
  4. Step 4: Simplify right side
    785,479.56x = 255,545,371,476.81
  5. Step 5: Solve for x
    x = 255,545,371,476.81/785,479.56
  6. Step 6: Final answer
    x = 325,336.76

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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.