Home / 752,897.63-1,129,263.80-220,423.88

Finding the Fourth Proportional to 752,897.63, 1,129,263.80 and 220,423.88

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Solution

The fourth proportional to 752,897.63, 1,129,263.80 and 220,423.88 is: 330,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,897.63 : 1,129,263.80 = 220,423.88 : x
  2. Step 2: Convert to fraction form
    752,897.63/1,129,263.80 = 220,423.88/x
  3. Step 3: Cross multiply
    752,897.63x = 1,129,263.80 × 220,423.88
  4. Step 4: Simplify right side
    752,897.63x = 248,916,710,060.58
  5. Step 5: Solve for x
    x = 248,916,710,060.58/752,897.63
  6. Step 6: Final answer
    x = 330,611.63

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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.