Home / 476,228.64-657,235.86-261,405.12

Finding the Fourth Proportional to 476,228.64, 657,235.86 and 261,405.12

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Solution

The fourth proportional to 476,228.64, 657,235.86 and 261,405.12 is: 360,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,228.64 : 657,235.86 = 261,405.12 : x
  2. Step 2: Convert to fraction form
    476,228.64/657,235.86 = 261,405.12/x
  3. Step 3: Cross multiply
    476,228.64x = 657,235.86 × 261,405.12
  4. Step 4: Simplify right side
    476,228.64x = 171,804,818,851.60
  5. Step 5: Solve for x
    x = 171,804,818,851.60/476,228.64
  6. Step 6: Final answer
    x = 360,761.21

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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.