Home / 758,699.52-1,047,016.32-419,175.60

Finding the Fourth Proportional to 758,699.52, 1,047,016.32 and 419,175.60

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Solution

The fourth proportional to 758,699.52, 1,047,016.32 and 419,175.60 is: 578,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,699.52 : 1,047,016.32 = 419,175.60 : x
  2. Step 2: Convert to fraction form
    758,699.52/1,047,016.32 = 419,175.60/x
  3. Step 3: Cross multiply
    758,699.52x = 1,047,016.32 × 419,175.60
  4. Step 4: Simplify right side
    758,699.52x = 438,883,694,145.79
  5. Step 5: Solve for x
    x = 438,883,694,145.79/758,699.52
  6. Step 6: Final answer
    x = 578,468.40

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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.