Home / 913,662.21-1,260,887.46-500,227.95

Finding the Fourth Proportional to 913,662.21, 1,260,887.46 and 500,227.95

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Solution

The fourth proportional to 913,662.21, 1,260,887.46 and 500,227.95 is: 690,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,662.21 : 1,260,887.46 = 500,227.95 : x
  2. Step 2: Convert to fraction form
    913,662.21/1,260,887.46 = 500,227.95/x
  3. Step 3: Cross multiply
    913,662.21x = 1,260,887.46 × 500,227.95
  4. Step 4: Simplify right side
    913,662.21x = 630,731,149,296.51
  5. Step 5: Solve for x
    x = 630,731,149,296.51/913,662.21
  6. Step 6: Final answer
    x = 690,332.97

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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.