Home / 536,913.48-803,617.80-394,721.10

Finding the Fourth Proportional to 536,913.48, 803,617.80 and 394,721.10

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Solution

The fourth proportional to 536,913.48, 803,617.80 and 394,721.10 is: 590,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,913.48 : 803,617.80 = 394,721.10 : x
  2. Step 2: Convert to fraction form
    536,913.48/803,617.80 = 394,721.10/x
  3. Step 3: Cross multiply
    536,913.48x = 803,617.80 × 394,721.10
  4. Step 4: Simplify right side
    536,913.48x = 317,204,901,995.58
  5. Step 5: Solve for x
    x = 317,204,901,995.58/536,913.48
  6. Step 6: Final answer
    x = 590,793.33

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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.