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Finding the Fourth Proportional to 566,903.49, 782,270.04 and 349,077.25

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Solution

The fourth proportional to 566,903.49, 782,270.04 and 349,077.25 is: 481,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,903.49 : 782,270.04 = 349,077.25 : x
  2. Step 2: Convert to fraction form
    566,903.49/782,270.04 = 349,077.25/x
  3. Step 3: Cross multiply
    566,903.49x = 782,270.04 × 349,077.25
  4. Step 4: Simplify right side
    566,903.49x = 273,072,674,320.59
  5. Step 5: Solve for x
    x = 273,072,674,320.59/566,903.49
  6. Step 6: Final answer
    x = 481,691.64

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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.