Home / 843,812.17-1,164,451.92-456,619.12

Finding the Fourth Proportional to 843,812.17, 1,164,451.92 and 456,619.12

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Solution

The fourth proportional to 843,812.17, 1,164,451.92 and 456,619.12 is: 630,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,812.17 : 1,164,451.92 = 456,619.12 : x
  2. Step 2: Convert to fraction form
    843,812.17/1,164,451.92 = 456,619.12/x
  3. Step 3: Cross multiply
    843,812.17x = 1,164,451.92 × 456,619.12
  4. Step 4: Simplify right side
    843,812.17x = 531,711,008,081.58
  5. Step 5: Solve for x
    x = 531,711,008,081.58/843,812.17
  6. Step 6: Final answer
    x = 630,129.58

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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.