Home / 838,242.81-1,156,742.87-475,645.01

Finding the Fourth Proportional to 838,242.81, 1,156,742.87 and 475,645.01

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Solution

The fourth proportional to 838,242.81, 1,156,742.87 and 475,645.01 is: 656,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,242.81 : 1,156,742.87 = 475,645.01 : x
  2. Step 2: Convert to fraction form
    838,242.81/1,156,742.87 = 475,645.01/x
  3. Step 3: Cross multiply
    838,242.81x = 1,156,742.87 × 475,645.01
  4. Step 4: Simplify right side
    838,242.81x = 550,198,965,806.64
  5. Step 5: Solve for x
    x = 550,198,965,806.64/838,242.81
  6. Step 6: Final answer
    x = 656,371.83

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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.