Home / 913,719.45-1,260,947.73-500,249.28

Finding the Fourth Proportional to 913,719.45, 1,260,947.73 and 500,249.28

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Solution

The fourth proportional to 913,719.45, 1,260,947.73 and 500,249.28 is: 690,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,719.45 : 1,260,947.73 = 500,249.28 : x
  2. Step 2: Convert to fraction form
    913,719.45/1,260,947.73 = 500,249.28/x
  3. Step 3: Cross multiply
    913,719.45x = 1,260,947.73 × 500,249.28
  4. Step 4: Simplify right side
    913,719.45x = 630,788,194,050.13
  5. Step 5: Solve for x
    x = 630,788,194,050.13/913,719.45
  6. Step 6: Final answer
    x = 690,352.16

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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.