Home / 761,341.48-1,142,013.06-228,862.45

Finding the Fourth Proportional to 761,341.48, 1,142,013.06 and 228,862.45

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Solution

The fourth proportional to 761,341.48, 1,142,013.06 and 228,862.45 is: 343,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,341.48 : 1,142,013.06 = 228,862.45 : x
  2. Step 2: Convert to fraction form
    761,341.48/1,142,013.06 = 228,862.45/x
  3. Step 3: Cross multiply
    761,341.48x = 1,142,013.06 × 228,862.45
  4. Step 4: Simplify right side
    761,341.48x = 261,363,906,843.60
  5. Step 5: Solve for x
    x = 261,363,906,843.60/761,341.48
  6. Step 6: Final answer
    x = 343,293.93

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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.