Home / 915,957.24-1,264,172.34-508,190.46

Finding the Fourth Proportional to 915,957.24, 1,264,172.34 and 508,190.46

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Solution

The fourth proportional to 915,957.24, 1,264,172.34 and 508,190.46 is: 701,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,957.24 : 1,264,172.34 = 508,190.46 : x
  2. Step 2: Convert to fraction form
    915,957.24/1,264,172.34 = 508,190.46/x
  3. Step 3: Cross multiply
    915,957.24x = 1,264,172.34 × 508,190.46
  4. Step 4: Simplify right side
    915,957.24x = 642,440,322,983.88
  5. Step 5: Solve for x
    x = 642,440,322,983.88/915,957.24
  6. Step 6: Final answer
    x = 701,386.81

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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.