Home / 761,339.48-1,142,010.06-228,860.47

Finding the Fourth Proportional to 761,339.48, 1,142,010.06 and 228,860.47

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Solution

The fourth proportional to 761,339.48, 1,142,010.06 and 228,860.47 is: 343,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,339.48 : 1,142,010.06 = 228,860.47 : x
  2. Step 2: Convert to fraction form
    761,339.48/1,142,010.06 = 228,860.47/x
  3. Step 3: Cross multiply
    761,339.48x = 1,142,010.06 × 228,860.47
  4. Step 4: Simplify right side
    761,339.48x = 261,360,953,366.28
  5. Step 5: Solve for x
    x = 261,360,953,366.28/761,339.48
  6. Step 6: Final answer
    x = 343,290.95

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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.