Home / 913,789.14-1,260,981.06-500,246.64

Finding the Fourth Proportional to 913,789.14, 1,260,981.06 and 500,246.64

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Solution

The fourth proportional to 913,789.14, 1,260,981.06 and 500,246.64 is: 690,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,789.14 : 1,260,981.06 = 500,246.64 : x
  2. Step 2: Convert to fraction form
    913,789.14/1,260,981.06 = 500,246.64/x
  3. Step 3: Cross multiply
    913,789.14x = 1,260,981.06 × 500,246.64
  4. Step 4: Simplify right side
    913,789.14x = 630,801,538,368.64
  5. Step 5: Solve for x
    x = 630,801,538,368.64/913,789.14
  6. Step 6: Final answer
    x = 690,314.11

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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.