Home / 913,326.97-1,260,393.66-505,456.93

Finding the Fourth Proportional to 913,326.97, 1,260,393.66 and 505,456.93

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Solution

The fourth proportional to 913,326.97, 1,260,393.66 and 505,456.93 is: 697,531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,326.97 : 1,260,393.66 = 505,456.93 : x
  2. Step 2: Convert to fraction form
    913,326.97/1,260,393.66 = 505,456.93/x
  3. Step 3: Cross multiply
    913,326.97x = 1,260,393.66 × 505,456.93
  4. Step 4: Simplify right side
    913,326.97x = 637,074,713,673.82
  5. Step 5: Solve for x
    x = 637,074,713,673.82/913,326.97
  6. Step 6: Final answer
    x = 697,531.92

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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.