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Finding the Fourth Proportional to 634,812.35, 951,658.01 and 485,718.24

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Solution

The fourth proportional to 634,812.35, 951,658.01 and 485,718.24 is: 728,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,812.35 : 951,658.01 = 485,718.24 : x
  2. Step 2: Convert to fraction form
    634,812.35/951,658.01 = 485,718.24/x
  3. Step 3: Cross multiply
    634,812.35x = 951,658.01 × 485,718.24
  4. Step 4: Simplify right side
    634,812.35x = 462,237,648,891.37
  5. Step 5: Solve for x
    x = 462,237,648,891.37/634,812.35
  6. Step 6: Final answer
    x = 728,148.48

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1.5x scale

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.