Home / 758,928.96-1,047,232.80-419,376.96

Finding the Fourth Proportional to 758,928.96, 1,047,232.80 and 419,376.96

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Solution

The fourth proportional to 758,928.96, 1,047,232.80 and 419,376.96 is: 578,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,928.96 : 1,047,232.80 = 419,376.96 : x
  2. Step 2: Convert to fraction form
    758,928.96/1,047,232.80 = 419,376.96/x
  3. Step 3: Cross multiply
    758,928.96x = 1,047,232.80 × 419,376.96
  4. Step 4: Simplify right side
    758,928.96x = 439,185,308,076.29
  5. Step 5: Solve for x
    x = 439,185,308,076.29/758,928.96
  6. Step 6: Final answer
    x = 578,690.93

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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.