Home / 990,265.57-1,366,573.49-537,556.57

Finding the Fourth Proportional to 990,265.57, 1,366,573.49 and 537,556.57

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Solution

The fourth proportional to 990,265.57, 1,366,573.49 and 537,556.57 is: 741,831.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,265.57 : 1,366,573.49 = 537,556.57 : x
  2. Step 2: Convert to fraction form
    990,265.57/1,366,573.49 = 537,556.57/x
  3. Step 3: Cross multiply
    990,265.57x = 1,366,573.49 × 537,556.57
  4. Step 4: Simplify right side
    990,265.57x = 734,610,557,937.33
  5. Step 5: Solve for x
    x = 734,610,557,937.33/990,265.57
  6. Step 6: Final answer
    x = 741,831.87

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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.