Home / 949,499.72-1,424,374.64-309,578.76

Finding the Fourth Proportional to 949,499.72, 1,424,374.64 and 309,578.76

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Solution

The fourth proportional to 949,499.72, 1,424,374.64 and 309,578.76 is: 464,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,499.72 : 1,424,374.64 = 309,578.76 : x
  2. Step 2: Convert to fraction form
    949,499.72/1,424,374.64 = 309,578.76/x
  3. Step 3: Cross multiply
    949,499.72x = 1,424,374.64 × 309,578.76
  4. Step 4: Simplify right side
    949,499.72x = 440,956,134,439.67
  5. Step 5: Solve for x
    x = 440,956,134,439.67/949,499.72
  6. Step 6: Final answer
    x = 464,408.92

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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.