Home / 537,859-742,448.48-422,837.56

Finding the Fourth Proportional to 537,859, 742,448.48 and 422,837.56

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Solution

The fourth proportional to 537,859, 742,448.48 and 422,837.56 is: 583,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,859 : 742,448.48 = 422,837.56 : x
  2. Step 2: Convert to fraction form
    537,859/742,448.48 = 422,837.56/x
  3. Step 3: Cross multiply
    537,859x = 742,448.48 × 422,837.56
  4. Step 4: Simplify right side
    537,859x = 313,935,103,708.91
  5. Step 5: Solve for x
    x = 313,935,103,708.91/537,859
  6. Step 6: Final answer
    x = 583,675.47

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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.