Home / 476,682.64-657,827.40-261,827.68

Finding the Fourth Proportional to 476,682.64, 657,827.40 and 261,827.68

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Solution

The fourth proportional to 476,682.64, 657,827.40 and 261,827.68 is: 361,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,682.64 : 657,827.40 = 261,827.68 : x
  2. Step 2: Convert to fraction form
    476,682.64/657,827.40 = 261,827.68/x
  3. Step 3: Cross multiply
    476,682.64x = 657,827.40 × 261,827.68
  4. Step 4: Simplify right side
    476,682.64x = 172,237,421,982.43
  5. Step 5: Solve for x
    x = 172,237,421,982.43/476,682.64
  6. Step 6: Final answer
    x = 361,325.14

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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.