Home / 404,278.05-606,417.08-371,618.85

Finding the Fourth Proportional to 404,278.05, 606,417.08 and 371,618.85

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Solution

The fourth proportional to 404,278.05, 606,417.08 and 371,618.85 is: 557,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,278.05 : 606,417.08 = 371,618.85 : x
  2. Step 2: Convert to fraction form
    404,278.05/606,417.08 = 371,618.85/x
  3. Step 3: Cross multiply
    404,278.05x = 606,417.08 × 371,618.85
  4. Step 4: Simplify right side
    404,278.05x = 225,356,016,031.86
  5. Step 5: Solve for x
    x = 225,356,016,031.86/404,278.05
  6. Step 6: Final answer
    x = 557,428.28

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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.