Home / 401,935.80-554,669.08-220,650.76

Finding the Fourth Proportional to 401,935.80, 554,669.08 and 220,650.76

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Solution

The fourth proportional to 401,935.80, 554,669.08 and 220,650.76 is: 304,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,935.80 : 554,669.08 = 220,650.76 : x
  2. Step 2: Convert to fraction form
    401,935.80/554,669.08 = 220,650.76/x
  3. Step 3: Cross multiply
    401,935.80x = 554,669.08 × 220,650.76
  4. Step 4: Simplify right side
    401,935.80x = 122,388,154,050.50
  5. Step 5: Solve for x
    x = 122,388,154,050.50/401,935.80
  6. Step 6: Final answer
    x = 304,496.77

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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.