Home / 965,127.72-1,331,872.19-535,407.84

Finding the Fourth Proportional to 965,127.72, 1,331,872.19 and 535,407.84

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Solution

The fourth proportional to 965,127.72, 1,331,872.19 and 535,407.84 is: 738,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,127.72 : 1,331,872.19 = 535,407.84 : x
  2. Step 2: Convert to fraction form
    965,127.72/1,331,872.19 = 535,407.84/x
  3. Step 3: Cross multiply
    965,127.72x = 1,331,872.19 × 535,407.84
  4. Step 4: Simplify right side
    965,127.72x = 713,094,809,726.93
  5. Step 5: Solve for x
    x = 713,094,809,726.93/965,127.72
  6. Step 6: Final answer
    x = 738,860.57

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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.