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Finding the Fourth Proportional to 655,864.08, 981,574.08 and 403,304.52

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Solution

The fourth proportional to 655,864.08, 981,574.08 and 403,304.52 is: 603,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,864.08 : 981,574.08 = 403,304.52 : x
  2. Step 2: Convert to fraction form
    655,864.08/981,574.08 = 403,304.52/x
  3. Step 3: Cross multiply
    655,864.08x = 981,574.08 × 403,304.52
  4. Step 4: Simplify right side
    655,864.08x = 395,873,263,178.84
  5. Step 5: Solve for x
    x = 395,873,263,178.84/655,864.08
  6. Step 6: Final answer
    x = 603,590.40

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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.