Home / 476,965.46-657,554.55-380,496.66

Finding the Fourth Proportional to 476,965.46, 657,554.55 and 380,496.66

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Solution

The fourth proportional to 476,965.46, 657,554.55 and 380,496.66 is: 524,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,965.46 : 657,554.55 = 380,496.66 : x
  2. Step 2: Convert to fraction form
    476,965.46/657,554.55 = 380,496.66/x
  3. Step 3: Cross multiply
    476,965.46x = 657,554.55 × 380,496.66
  4. Step 4: Simplify right side
    476,965.46x = 250,197,310,042.80
  5. Step 5: Solve for x
    x = 250,197,310,042.80/476,965.46
  6. Step 6: Final answer
    x = 524,560.65

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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.