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Finding the Fourth Proportional to 563,383.79, 845,919.91 and 487,715.70

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Solution

The fourth proportional to 563,383.79, 845,919.91 and 487,715.70 is: 732,304.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,383.79 : 845,919.91 = 487,715.70 : x
  2. Step 2: Convert to fraction form
    563,383.79/845,919.91 = 487,715.70/x
  3. Step 3: Cross multiply
    563,383.79x = 845,919.91 × 487,715.70
  4. Step 4: Simplify right side
    563,383.79x = 412,568,422,270.16
  5. Step 5: Solve for x
    x = 412,568,422,270.16/563,383.79
  6. Step 6: Final answer
    x = 732,304.38

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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.