Home / 913,216.32-1,260,240.03-505,335.33

Finding the Fourth Proportional to 913,216.32, 1,260,240.03 and 505,335.33

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Solution

The fourth proportional to 913,216.32, 1,260,240.03 and 505,335.33 is: 697,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,216.32 : 1,260,240.03 = 505,335.33 : x
  2. Step 2: Convert to fraction form
    913,216.32/1,260,240.03 = 505,335.33/x
  3. Step 3: Cross multiply
    913,216.32x = 1,260,240.03 × 505,335.33
  4. Step 4: Simplify right side
    913,216.32x = 636,843,811,439.26
  5. Step 5: Solve for x
    x = 636,843,811,439.26/913,216.32
  6. Step 6: Final answer
    x = 697,363.59

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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.