Home / 785,659.11-1,178,006.37-305,326.05

Finding the Fourth Proportional to 785,659.11, 1,178,006.37 and 305,326.05

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Solution

The fourth proportional to 785,659.11, 1,178,006.37 and 305,326.05 is: 457,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,659.11 : 1,178,006.37 = 305,326.05 : x
  2. Step 2: Convert to fraction form
    785,659.11/1,178,006.37 = 305,326.05/x
  3. Step 3: Cross multiply
    785,659.11x = 1,178,006.37 × 305,326.05
  4. Step 4: Simplify right side
    785,659.11x = 359,676,031,826.94
  5. Step 5: Solve for x
    x = 359,676,031,826.94/785,659.11
  6. Step 6: Final answer
    x = 457,801.64

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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.