Home / 965,142.14-1,331,897.72-535,422.28

Finding the Fourth Proportional to 965,142.14, 1,331,897.72 and 535,422.28

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Solution

The fourth proportional to 965,142.14, 1,331,897.72 and 535,422.28 is: 738,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,142.14 : 1,331,897.72 = 535,422.28 : x
  2. Step 2: Convert to fraction form
    965,142.14/1,331,897.72 = 535,422.28/x
  3. Step 3: Cross multiply
    965,142.14x = 1,331,897.72 × 535,422.28
  4. Step 4: Simplify right side
    965,142.14x = 713,127,713,969.20
  5. Step 5: Solve for x
    x = 713,127,713,969.20/965,142.14
  6. Step 6: Final answer
    x = 738,883.62

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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.