Home / 735,648.64-1,015,162.72-429,753.36

Finding the Fourth Proportional to 735,648.64, 1,015,162.72 and 429,753.36

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Solution

The fourth proportional to 735,648.64, 1,015,162.72 and 429,753.36 is: 593,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,648.64 : 1,015,162.72 = 429,753.36 : x
  2. Step 2: Convert to fraction form
    735,648.64/1,015,162.72 = 429,753.36/x
  3. Step 3: Cross multiply
    735,648.64x = 1,015,162.72 × 429,753.36
  4. Step 4: Simplify right side
    735,648.64x = 436,269,589,866.74
  5. Step 5: Solve for x
    x = 436,269,589,866.74/735,648.64
  6. Step 6: Final answer
    x = 593,040.71

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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.