Home / 893,397.30-1,232,884.22-485,491.43

Finding the Fourth Proportional to 893,397.30, 1,232,884.22 and 485,491.43

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Solution

The fourth proportional to 893,397.30, 1,232,884.22 and 485,491.43 is: 669,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,397.30 : 1,232,884.22 = 485,491.43 : x
  2. Step 2: Convert to fraction form
    893,397.30/1,232,884.22 = 485,491.43/x
  3. Step 3: Cross multiply
    893,397.30x = 1,232,884.22 × 485,491.43
  4. Step 4: Simplify right side
    893,397.30x = 598,554,714,400.36
  5. Step 5: Solve for x
    x = 598,554,714,400.36/893,397.30
  6. Step 6: Final answer
    x = 669,975.96

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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.