Home / 784,399.06-1,176,443.67-215,633.41

Finding the Fourth Proportional to 784,399.06, 1,176,443.67 and 215,633.41

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Solution

The fourth proportional to 784,399.06, 1,176,443.67 and 215,633.41 is: 323,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,399.06 : 1,176,443.67 = 215,633.41 : x
  2. Step 2: Convert to fraction form
    784,399.06/1,176,443.67 = 215,633.41/x
  3. Step 3: Cross multiply
    784,399.06x = 1,176,443.67 × 215,633.41
  4. Step 4: Simplify right side
    784,399.06x = 253,680,553,274.63
  5. Step 5: Solve for x
    x = 253,680,553,274.63/784,399.06
  6. Step 6: Final answer
    x = 323,407.52

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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.