Home / 476,419.12-657,437.72-261,562.77

Finding the Fourth Proportional to 476,419.12, 657,437.72 and 261,562.77

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Solution

The fourth proportional to 476,419.12, 657,437.72 and 261,562.77 is: 360,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,419.12 : 657,437.72 = 261,562.77 : x
  2. Step 2: Convert to fraction form
    476,419.12/657,437.72 = 261,562.77/x
  3. Step 3: Cross multiply
    476,419.12x = 657,437.72 × 261,562.77
  4. Step 4: Simplify right side
    476,419.12x = 171,961,229,837.87
  5. Step 5: Solve for x
    x = 171,961,229,837.87/476,419.12
  6. Step 6: Final answer
    x = 360,945.28

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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.