Home / 476,403.46-657,437.87-261,557.37

Finding the Fourth Proportional to 476,403.46, 657,437.87 and 261,557.37

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Solution

The fourth proportional to 476,403.46, 657,437.87 and 261,557.37 is: 360,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,403.46 : 657,437.87 = 261,557.37 : x
  2. Step 2: Convert to fraction form
    476,403.46/657,437.87 = 261,557.37/x
  3. Step 3: Cross multiply
    476,403.46x = 657,437.87 × 261,557.37
  4. Step 4: Simplify right side
    476,403.46x = 171,957,718,279.84
  5. Step 5: Solve for x
    x = 171,957,718,279.84/476,403.46
  6. Step 6: Final answer
    x = 360,949.77

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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.