Home / 867,341.40-1,196,912.10-474,873.56

Finding the Fourth Proportional to 867,341.40, 1,196,912.10 and 474,873.56

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Solution

The fourth proportional to 867,341.40, 1,196,912.10 and 474,873.56 is: 655,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,341.40 : 1,196,912.10 = 474,873.56 : x
  2. Step 2: Convert to fraction form
    867,341.40/1,196,912.10 = 474,873.56/x
  3. Step 3: Cross multiply
    867,341.40x = 1,196,912.10 × 474,873.56
  4. Step 4: Simplify right side
    867,341.40x = 568,381,909,934.08
  5. Step 5: Solve for x
    x = 568,381,909,934.08/867,341.40
  6. Step 6: Final answer
    x = 655,315.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.