Home / 913,661.21-1,260,886.08-500,226.95

Finding the Fourth Proportional to 913,661.21, 1,260,886.08 and 500,226.95

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Solution

The fourth proportional to 913,661.21, 1,260,886.08 and 500,226.95 is: 690,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,661.21 : 1,260,886.08 = 500,226.95 : x
  2. Step 2: Convert to fraction form
    913,661.21/1,260,886.08 = 500,226.95/x
  3. Step 3: Cross multiply
    913,661.21x = 1,260,886.08 × 500,226.95
  4. Step 4: Simplify right side
    913,661.21x = 630,729,191,791.43
  5. Step 5: Solve for x
    x = 630,729,191,791.43/913,661.21
  6. Step 6: Final answer
    x = 690,331.59

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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.