Home / 686,957.60-1,030,239.48-231,499.22

Finding the Fourth Proportional to 686,957.60, 1,030,239.48 and 231,499.22

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Solution

The fourth proportional to 686,957.60, 1,030,239.48 and 231,499.22 is: 347,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,957.60 : 1,030,239.48 = 231,499.22 : x
  2. Step 2: Convert to fraction form
    686,957.60/1,030,239.48 = 231,499.22/x
  3. Step 3: Cross multiply
    686,957.60x = 1,030,239.48 × 231,499.22
  4. Step 4: Simplify right side
    686,957.60x = 238,499,636,033.21
  5. Step 5: Solve for x
    x = 238,499,636,033.21/686,957.60
  6. Step 6: Final answer
    x = 347,182.47

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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.