Home / 913,352.47-1,260,429.77-494,248.32

Finding the Fourth Proportional to 913,352.47, 1,260,429.77 and 494,248.32

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Solution

The fourth proportional to 913,352.47, 1,260,429.77 and 494,248.32 is: 682,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,352.47 : 1,260,429.77 = 494,248.32 : x
  2. Step 2: Convert to fraction form
    913,352.47/1,260,429.77 = 494,248.32/x
  3. Step 3: Cross multiply
    913,352.47x = 1,260,429.77 × 494,248.32
  4. Step 4: Simplify right side
    913,352.47x = 622,965,297,536.11
  5. Step 5: Solve for x
    x = 622,965,297,536.11/913,352.47
  6. Step 6: Final answer
    x = 682,064.50

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Double scale
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1.5x scale

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.