Home / 348,510.24-523,386-285,449.76

Finding the Fourth Proportional to 348,510.24, 523,386 and 285,449.76

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Solution

The fourth proportional to 348,510.24, 523,386 and 285,449.76 is: 428,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,510.24 : 523,386 = 285,449.76 : x
  2. Step 2: Convert to fraction form
    348,510.24/523,386 = 285,449.76/x
  3. Step 3: Cross multiply
    348,510.24x = 523,386 × 285,449.76
  4. Step 4: Simplify right side
    348,510.24x = 149,400,408,087.36
  5. Step 5: Solve for x
    x = 149,400,408,087.36/348,510.24
  6. Step 6: Final answer
    x = 428,682.98

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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.