Home / 469,845.24-648,065.28-300,002.76

Finding the Fourth Proportional to 469,845.24, 648,065.28 and 300,002.76

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Solution

The fourth proportional to 469,845.24, 648,065.28 and 300,002.76 is: 413,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,845.24 : 648,065.28 = 300,002.76 : x
  2. Step 2: Convert to fraction form
    469,845.24/648,065.28 = 300,002.76/x
  3. Step 3: Cross multiply
    469,845.24x = 648,065.28 × 300,002.76
  4. Step 4: Simplify right side
    469,845.24x = 194,421,372,660.17
  5. Step 5: Solve for x
    x = 194,421,372,660.17/469,845.24
  6. Step 6: Final answer
    x = 413,798.75

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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.