Home / 402,066.69-554,826.78-220,777.35

Finding the Fourth Proportional to 402,066.69, 554,826.78 and 220,777.35

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Solution

The fourth proportional to 402,066.69, 554,826.78 and 220,777.35 is: 304,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,066.69 : 554,826.78 = 220,777.35 : x
  2. Step 2: Convert to fraction form
    402,066.69/554,826.78 = 220,777.35/x
  3. Step 3: Cross multiply
    402,066.69x = 554,826.78 × 220,777.35
  4. Step 4: Simplify right side
    402,066.69x = 122,493,186,197.43
  5. Step 5: Solve for x
    x = 122,493,186,197.43/402,066.69
  6. Step 6: Final answer
    x = 304,658.88

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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.