Home / 758,734.82-1,047,041.58-419,234.66

Finding the Fourth Proportional to 758,734.82, 1,047,041.58 and 419,234.66

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Solution

The fourth proportional to 758,734.82, 1,047,041.58 and 419,234.66 is: 578,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,734.82 : 1,047,041.58 = 419,234.66 : x
  2. Step 2: Convert to fraction form
    758,734.82/1,047,041.58 = 419,234.66/x
  3. Step 3: Cross multiply
    758,734.82x = 1,047,041.58 × 419,234.66
  4. Step 4: Simplify right side
    758,734.82x = 438,956,120,797.16
  5. Step 5: Solve for x
    x = 438,956,120,797.16/758,734.82
  6. Step 6: Final answer
    x = 578,536.94

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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.