Home / 774,931.93-1,162,376.40-206,317.91

Finding the Fourth Proportional to 774,931.93, 1,162,376.40 and 206,317.91

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Solution

The fourth proportional to 774,931.93, 1,162,376.40 and 206,317.91 is: 309,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,931.93 : 1,162,376.40 = 206,317.91 : x
  2. Step 2: Convert to fraction form
    774,931.93/1,162,376.40 = 206,317.91/x
  3. Step 3: Cross multiply
    774,931.93x = 1,162,376.40 × 206,317.91
  4. Step 4: Simplify right side
    774,931.93x = 239,819,069,481.32
  5. Step 5: Solve for x
    x = 239,819,069,481.32/774,931.93
  6. Step 6: Final answer
    x = 309,471.14

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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.