Home / 761,337.48-1,142,007.05-228,858.46

Finding the Fourth Proportional to 761,337.48, 1,142,007.05 and 228,858.46

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Solution

The fourth proportional to 761,337.48, 1,142,007.05 and 228,858.46 is: 343,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,337.48 : 1,142,007.05 = 228,858.46 : x
  2. Step 2: Convert to fraction form
    761,337.48/1,142,007.05 = 228,858.46/x
  3. Step 3: Cross multiply
    761,337.48x = 1,142,007.05 × 228,858.46
  4. Step 4: Simplify right side
    761,337.48x = 261,357,978,913.06
  5. Step 5: Solve for x
    x = 261,357,978,913.06/761,337.48
  6. Step 6: Final answer
    x = 343,287.95

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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.