Home / 536,006.24-739,477.65-306,440.20

Finding the Fourth Proportional to 536,006.24, 739,477.65 and 306,440.20

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Solution

The fourth proportional to 536,006.24, 739,477.65 and 306,440.20 is: 422,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,006.24 : 739,477.65 = 306,440.20 : x
  2. Step 2: Convert to fraction form
    536,006.24/739,477.65 = 306,440.20/x
  3. Step 3: Cross multiply
    536,006.24x = 739,477.65 × 306,440.20
  4. Step 4: Simplify right side
    536,006.24x = 226,605,676,875.47
  5. Step 5: Solve for x
    x = 226,605,676,875.47/536,006.24
  6. Step 6: Final answer
    x = 422,766.86

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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.