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Finding the Fourth Proportional to 524,148.03, 723,274.31 and 306,407.61

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Solution

The fourth proportional to 524,148.03, 723,274.31 and 306,407.61 is: 422,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,148.03 : 723,274.31 = 306,407.61 : x
  2. Step 2: Convert to fraction form
    524,148.03/723,274.31 = 306,407.61/x
  3. Step 3: Cross multiply
    524,148.03x = 723,274.31 × 306,407.61
  4. Step 4: Simplify right side
    524,148.03x = 221,616,753,467.52
  5. Step 5: Solve for x
    x = 221,616,753,467.52/524,148.03
  6. Step 6: Final answer
    x = 422,813.29

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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.