Home / 711,227.43-981,484.41-405,322.02

Finding the Fourth Proportional to 711,227.43, 981,484.41 and 405,322.02

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Solution

The fourth proportional to 711,227.43, 981,484.41 and 405,322.02 is: 559,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,227.43 : 981,484.41 = 405,322.02 : x
  2. Step 2: Convert to fraction form
    711,227.43/981,484.41 = 405,322.02/x
  3. Step 3: Cross multiply
    711,227.43x = 981,484.41 × 405,322.02
  4. Step 4: Simplify right side
    711,227.43x = 397,817,243,659.71
  5. Step 5: Solve for x
    x = 397,817,243,659.71/711,227.43
  6. Step 6: Final answer
    x = 559,339.01

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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.