Home / 719,117.13-1,078,395.30-269,592.98

Finding the Fourth Proportional to 719,117.13, 1,078,395.30 and 269,592.98

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Solution

The fourth proportional to 719,117.13, 1,078,395.30 and 269,592.98 is: 404,284.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,117.13 : 1,078,395.30 = 269,592.98 : x
  2. Step 2: Convert to fraction form
    719,117.13/1,078,395.30 = 269,592.98/x
  3. Step 3: Cross multiply
    719,117.13x = 1,078,395.30 × 269,592.98
  4. Step 4: Simplify right side
    719,117.13x = 290,727,805,240.98
  5. Step 5: Solve for x
    x = 290,727,805,240.98/719,117.13
  6. Step 6: Final answer
    x = 404,284.36

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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.