Home / 743,375.80-1,025,808.06-403,836.76

Finding the Fourth Proportional to 743,375.80, 1,025,808.06 and 403,836.76

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Solution

The fourth proportional to 743,375.80, 1,025,808.06 and 403,836.76 is: 557,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,375.80 : 1,025,808.06 = 403,836.76 : x
  2. Step 2: Convert to fraction form
    743,375.80/1,025,808.06 = 403,836.76/x
  3. Step 3: Cross multiply
    743,375.80x = 1,025,808.06 × 403,836.76
  4. Step 4: Simplify right side
    743,375.80x = 414,259,003,332.29
  5. Step 5: Solve for x
    x = 414,259,003,332.29/743,375.80
  6. Step 6: Final answer
    x = 557,267.27

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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.