Home / 917,343.88-1,265,966.54-509,452.51

Finding the Fourth Proportional to 917,343.88, 1,265,966.54 and 509,452.51

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Solution

The fourth proportional to 917,343.88, 1,265,966.54 and 509,452.51 is: 703,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,343.88 : 1,265,966.54 = 509,452.51 : x
  2. Step 2: Convert to fraction form
    917,343.88/1,265,966.54 = 509,452.51/x
  3. Step 3: Cross multiply
    917,343.88x = 1,265,966.54 × 509,452.51
  4. Step 4: Simplify right side
    917,343.88x = 644,949,834,944.34
  5. Step 5: Solve for x
    x = 644,949,834,944.34/917,343.88
  6. Step 6: Final answer
    x = 703,062.23

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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.