Home / 404,700.17-558,490.76-223,412.20

Finding the Fourth Proportional to 404,700.17, 558,490.76 and 223,412.20

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Solution

The fourth proportional to 404,700.17, 558,490.76 and 223,412.20 is: 308,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,700.17 : 558,490.76 = 223,412.20 : x
  2. Step 2: Convert to fraction form
    404,700.17/558,490.76 = 223,412.20/x
  3. Step 3: Cross multiply
    404,700.17x = 558,490.76 × 223,412.20
  4. Step 4: Simplify right side
    404,700.17x = 124,773,646,578.82
  5. Step 5: Solve for x
    x = 124,773,646,578.82/404,700.17
  6. Step 6: Final answer
    x = 308,311.33

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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.