Home / 476,669.08-657,811.50-261,818.20

Finding the Fourth Proportional to 476,669.08, 657,811.50 and 261,818.20

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Solution

The fourth proportional to 476,669.08, 657,811.50 and 261,818.20 is: 361,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,669.08 : 657,811.50 = 261,818.20 : x
  2. Step 2: Convert to fraction form
    476,669.08/657,811.50 = 261,818.20/x
  3. Step 3: Cross multiply
    476,669.08x = 657,811.50 × 261,818.20
  4. Step 4: Simplify right side
    476,669.08x = 172,227,022,869.30
  5. Step 5: Solve for x
    x = 172,227,022,869.30/476,669.08
  6. Step 6: Final answer
    x = 361,313.60

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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.