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Finding the Fourth Proportional to 610,499.90, 915,101.85 and 294,751.10

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Solution

The fourth proportional to 610,499.90, 915,101.85 and 294,751.10 is: 441,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,499.90 : 915,101.85 = 294,751.10 : x
  2. Step 2: Convert to fraction form
    610,499.90/915,101.85 = 294,751.10/x
  3. Step 3: Cross multiply
    610,499.90x = 915,101.85 × 294,751.10
  4. Step 4: Simplify right side
    610,499.90x = 269,727,276,899.54
  5. Step 5: Solve for x
    x = 269,727,276,899.54/610,499.90
  6. Step 6: Final answer
    x = 441,813.79

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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.