Home / 941,146.50-1,298,957.13-538,738.50

Finding the Fourth Proportional to 941,146.50, 1,298,957.13 and 538,738.50

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Solution

The fourth proportional to 941,146.50, 1,298,957.13 and 538,738.50 is: 743,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,146.50 : 1,298,957.13 = 538,738.50 : x
  2. Step 2: Convert to fraction form
    941,146.50/1,298,957.13 = 538,738.50/x
  3. Step 3: Cross multiply
    941,146.50x = 1,298,957.13 × 538,738.50
  4. Step 4: Simplify right side
    941,146.50x = 699,798,215,780.51
  5. Step 5: Solve for x
    x = 699,798,215,780.51/941,146.50
  6. Step 6: Final answer
    x = 743,559.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.