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Finding the Fourth Proportional to 529,641.15, 730,901.74 and 300,241.71

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Solution

The fourth proportional to 529,641.15, 730,901.74 and 300,241.71 is: 414,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,641.15 : 730,901.74 = 300,241.71 : x
  2. Step 2: Convert to fraction form
    529,641.15/730,901.74 = 300,241.71/x
  3. Step 3: Cross multiply
    529,641.15x = 730,901.74 × 300,241.71
  4. Step 4: Simplify right side
    529,641.15x = 219,447,190,549.80
  5. Step 5: Solve for x
    x = 219,447,190,549.80/529,641.15
  6. Step 6: Final answer
    x = 414,331.83

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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.