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Finding the Fourth Proportional to 474,317.66, 654,574.13 and 259,457.97

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Solution

The fourth proportional to 474,317.66, 654,574.13 and 259,457.97 is: 358,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,317.66 : 654,574.13 = 259,457.97 : x
  2. Step 2: Convert to fraction form
    474,317.66/654,574.13 = 259,457.97/x
  3. Step 3: Cross multiply
    474,317.66x = 654,574.13 × 259,457.97
  4. Step 4: Simplify right side
    474,317.66x = 169,834,474,984.32
  5. Step 5: Solve for x
    x = 169,834,474,984.32/474,317.66
  6. Step 6: Final answer
    x = 358,060.62

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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.