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Finding the Fourth Proportional to 508,840.07, 762,262.11 and 295,159.06

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Solution

The fourth proportional to 508,840.07, 762,262.11 and 295,159.06 is: 442,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,840.07 : 762,262.11 = 295,159.06 : x
  2. Step 2: Convert to fraction form
    508,840.07/762,262.11 = 295,159.06/x
  3. Step 3: Cross multiply
    508,840.07x = 762,262.11 × 295,159.06
  4. Step 4: Simplify right side
    508,840.07x = 224,988,567,861.22
  5. Step 5: Solve for x
    x = 224,988,567,861.22/508,840.07
  6. Step 6: Final answer
    x = 442,159.69

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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.