Home / 679,896.59-1,018,476.32-314,643.29

Finding the Fourth Proportional to 679,896.59, 1,018,476.32 and 314,643.29

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Solution

The fourth proportional to 679,896.59, 1,018,476.32 and 314,643.29 is: 471,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,896.59 : 1,018,476.32 = 314,643.29 : x
  2. Step 2: Convert to fraction form
    679,896.59/1,018,476.32 = 314,643.29/x
  3. Step 3: Cross multiply
    679,896.59x = 1,018,476.32 × 314,643.29
  4. Step 4: Simplify right side
    679,896.59x = 320,456,733,446.30
  5. Step 5: Solve for x
    x = 320,456,733,446.30/679,896.59
  6. Step 6: Final answer
    x = 471,331.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.