Home / 920,761.02-1,381,138.47-414,729.66

Finding the Fourth Proportional to 920,761.02, 1,381,138.47 and 414,729.66

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Solution

The fourth proportional to 920,761.02, 1,381,138.47 and 414,729.66 is: 622,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,761.02 : 1,381,138.47 = 414,729.66 : x
  2. Step 2: Convert to fraction form
    920,761.02/1,381,138.47 = 414,729.66/x
  3. Step 3: Cross multiply
    920,761.02x = 1,381,138.47 × 414,729.66
  4. Step 4: Simplify right side
    920,761.02x = 572,799,088,076.02
  5. Step 5: Solve for x
    x = 572,799,088,076.02/920,761.02
  6. Step 6: Final answer
    x = 622,093.11

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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.