Home / 913,162.68-1,259,878.86-550,697.40

Finding the Fourth Proportional to 913,162.68, 1,259,878.86 and 550,697.40

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Solution

The fourth proportional to 913,162.68, 1,259,878.86 and 550,697.40 is: 759,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,162.68 : 1,259,878.86 = 550,697.40 : x
  2. Step 2: Convert to fraction form
    913,162.68/1,259,878.86 = 550,697.40/x
  3. Step 3: Cross multiply
    913,162.68x = 1,259,878.86 × 550,697.40
  4. Step 4: Simplify right side
    913,162.68x = 693,812,012,516.96
  5. Step 5: Solve for x
    x = 693,812,012,516.96/913,162.68
  6. Step 6: Final answer
    x = 759,790.15

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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.