Home / 538,001.82-742,414.08-308,547.27

Finding the Fourth Proportional to 538,001.82, 742,414.08 and 308,547.27

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Solution

The fourth proportional to 538,001.82, 742,414.08 and 308,547.27 is: 425,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,001.82 : 742,414.08 = 308,547.27 : x
  2. Step 2: Convert to fraction form
    538,001.82/742,414.08 = 308,547.27/x
  3. Step 3: Cross multiply
    538,001.82x = 742,414.08 × 308,547.27
  4. Step 4: Simplify right side
    538,001.82x = 229,069,837,593.56
  5. Step 5: Solve for x
    x = 229,069,837,593.56/538,001.82
  6. Step 6: Final answer
    x = 425,778.93

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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.