Home / 758,427.91-1,046,635.93-418,896.16

Finding the Fourth Proportional to 758,427.91, 1,046,635.93 and 418,896.16

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Solution

The fourth proportional to 758,427.91, 1,046,635.93 and 418,896.16 is: 578,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,427.91 : 1,046,635.93 = 418,896.16 : x
  2. Step 2: Convert to fraction form
    758,427.91/1,046,635.93 = 418,896.16/x
  3. Step 3: Cross multiply
    758,427.91x = 1,046,635.93 × 418,896.16
  4. Step 4: Simplify right side
    758,427.91x = 438,431,769,902.06
  5. Step 5: Solve for x
    x = 438,431,769,902.06/758,427.91
  6. Step 6: Final answer
    x = 578,079.69

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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.