Home / 913,294.56-1,260,327.62-505,396.14

Finding the Fourth Proportional to 913,294.56, 1,260,327.62 and 505,396.14

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Solution

The fourth proportional to 913,294.56, 1,260,327.62 and 505,396.14 is: 697,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,294.56 : 1,260,327.62 = 505,396.14 : x
  2. Step 2: Convert to fraction form
    913,294.56/1,260,327.62 = 505,396.14/x
  3. Step 3: Cross multiply
    913,294.56x = 1,260,327.62 × 505,396.14
  4. Step 4: Simplify right side
    913,294.56x = 636,964,714,283.39
  5. Step 5: Solve for x
    x = 636,964,714,283.39/913,294.56
  6. Step 6: Final answer
    x = 697,436.23

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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.