Home / 538,020.72-742,557.36-410,455.44

Finding the Fourth Proportional to 538,020.72, 742,557.36 and 410,455.44

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Solution

The fourth proportional to 538,020.72, 742,557.36 and 410,455.44 is: 566,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,020.72 : 742,557.36 = 410,455.44 : x
  2. Step 2: Convert to fraction form
    538,020.72/742,557.36 = 410,455.44/x
  3. Step 3: Cross multiply
    538,020.72x = 742,557.36 × 410,455.44
  4. Step 4: Simplify right side
    538,020.72x = 304,786,707,924.04
  5. Step 5: Solve for x
    x = 304,786,707,924.04/538,020.72
  6. Step 6: Final answer
    x = 566,496.23

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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.