Home / 476,977.12-658,215.16-262,117.12

Finding the Fourth Proportional to 476,977.12, 658,215.16 and 262,117.12

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Solution

The fourth proportional to 476,977.12, 658,215.16 and 262,117.12 is: 361,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,977.12 : 658,215.16 = 262,117.12 : x
  2. Step 2: Convert to fraction form
    476,977.12/658,215.16 = 262,117.12/x
  3. Step 3: Cross multiply
    476,977.12x = 658,215.16 × 262,117.12
  4. Step 4: Simplify right side
    476,977.12x = 172,529,462,079.54
  5. Step 5: Solve for x
    x = 172,529,462,079.54/476,977.12
  6. Step 6: Final answer
    x = 361,714.34

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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.