Home / 729,325.23-1,006,519.32-407,098.05

Finding the Fourth Proportional to 729,325.23, 1,006,519.32 and 407,098.05

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Solution

The fourth proportional to 729,325.23, 1,006,519.32 and 407,098.05 is: 561,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,325.23 : 1,006,519.32 = 407,098.05 : x
  2. Step 2: Convert to fraction form
    729,325.23/1,006,519.32 = 407,098.05/x
  3. Step 3: Cross multiply
    729,325.23x = 1,006,519.32 × 407,098.05
  4. Step 4: Simplify right side
    729,325.23x = 409,752,052,459.33
  5. Step 5: Solve for x
    x = 409,752,052,459.33/729,325.23
  6. Step 6: Final answer
    x = 561,823.50

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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.