Home / 403,538.80-556,842.33-248,465.47

Finding the Fourth Proportional to 403,538.80, 556,842.33 and 248,465.47

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Solution

The fourth proportional to 403,538.80, 556,842.33 and 248,465.47 is: 342,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,538.80 : 556,842.33 = 248,465.47 : x
  2. Step 2: Convert to fraction form
    403,538.80/556,842.33 = 248,465.47/x
  3. Step 3: Cross multiply
    403,538.80x = 556,842.33 × 248,465.47
  4. Step 4: Simplify right side
    403,538.80x = 138,356,091,239.35
  5. Step 5: Solve for x
    x = 138,356,091,239.35/403,538.80
  6. Step 6: Final answer
    x = 342,856.97

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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.