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Finding the Fourth Proportional to 474,718.42, 711,585.55 and 296,816.91

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Solution

The fourth proportional to 474,718.42, 711,585.55 and 296,816.91 is: 444,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,718.42 : 711,585.55 = 296,816.91 : x
  2. Step 2: Convert to fraction form
    474,718.42/711,585.55 = 296,816.91/x
  3. Step 3: Cross multiply
    474,718.42x = 711,585.55 × 296,816.91
  4. Step 4: Simplify right side
    474,718.42x = 211,210,619,109.64
  5. Step 5: Solve for x
    x = 211,210,619,109.64/474,718.42
  6. Step 6: Final answer
    x = 444,917.68

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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.