Home / 913,163.72-1,260,672.68-550,679.40

Finding the Fourth Proportional to 913,163.72, 1,260,672.68 and 550,679.40

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Solution

The fourth proportional to 913,163.72, 1,260,672.68 and 550,679.40 is: 760,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,163.72 : 1,260,672.68 = 550,679.40 : x
  2. Step 2: Convert to fraction form
    913,163.72/1,260,672.68 = 550,679.40/x
  3. Step 3: Cross multiply
    913,163.72x = 1,260,672.68 × 550,679.40
  4. Step 4: Simplify right side
    913,163.72x = 694,226,475,018.79
  5. Step 5: Solve for x
    x = 694,226,475,018.79/913,163.72
  6. Step 6: Final answer
    x = 760,243.16

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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.