Home / 729,296.44-1,006,479.60-407,069.52

Finding the Fourth Proportional to 729,296.44, 1,006,479.60 and 407,069.52

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Solution

The fourth proportional to 729,296.44, 1,006,479.60 and 407,069.52 is: 561,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,296.44 : 1,006,479.60 = 407,069.52 : x
  2. Step 2: Convert to fraction form
    729,296.44/1,006,479.60 = 407,069.52/x
  3. Step 3: Cross multiply
    729,296.44x = 1,006,479.60 × 407,069.52
  4. Step 4: Simplify right side
    729,296.44x = 409,707,167,661.79
  5. Step 5: Solve for x
    x = 409,707,167,661.79/729,296.44
  6. Step 6: Final answer
    x = 561,784.13

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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.