Home / 404,720.07-558,499.02-223,428.09

Finding the Fourth Proportional to 404,720.07, 558,499.02 and 223,428.09

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Solution

The fourth proportional to 404,720.07, 558,499.02 and 223,428.09 is: 308,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,720.07 : 558,499.02 = 223,428.09 : x
  2. Step 2: Convert to fraction form
    404,720.07/558,499.02 = 223,428.09/x
  3. Step 3: Cross multiply
    404,720.07x = 558,499.02 × 223,428.09
  4. Step 4: Simplify right side
    404,720.07x = 124,784,369,305.47
  5. Step 5: Solve for x
    x = 124,784,369,305.47/404,720.07
  6. Step 6: Final answer
    x = 308,322.66

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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.