Home / 891,640.08-1,337,324.04-292,661.28

Finding the Fourth Proportional to 891,640.08, 1,337,324.04 and 292,661.28

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Solution

The fourth proportional to 891,640.08, 1,337,324.04 and 292,661.28 is: 438,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,640.08 : 1,337,324.04 = 292,661.28 : x
  2. Step 2: Convert to fraction form
    891,640.08/1,337,324.04 = 292,661.28/x
  3. Step 3: Cross multiply
    891,640.08x = 1,337,324.04 × 292,661.28
  4. Step 4: Simplify right side
    891,640.08x = 391,382,965,321.17
  5. Step 5: Solve for x
    x = 391,382,965,321.17/891,640.08
  6. Step 6: Final answer
    x = 438,947.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.