Home / 741,079.45-1,022,689.83-401,547.70

Finding the Fourth Proportional to 741,079.45, 1,022,689.83 and 401,547.70

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Solution

The fourth proportional to 741,079.45, 1,022,689.83 and 401,547.70 is: 554,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,079.45 : 1,022,689.83 = 401,547.70 : x
  2. Step 2: Convert to fraction form
    741,079.45/1,022,689.83 = 401,547.70/x
  3. Step 3: Cross multiply
    741,079.45x = 1,022,689.83 × 401,547.70
  4. Step 4: Simplify right side
    741,079.45x = 410,658,749,049.89
  5. Step 5: Solve for x
    x = 410,658,749,049.89/741,079.45
  6. Step 6: Final answer
    x = 554,135.93

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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.