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Finding the Fourth Proportional to 536,622.98, 740,639.47 and 307,180.27

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Solution

The fourth proportional to 536,622.98, 740,639.47 and 307,180.27 is: 423,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,622.98 : 740,639.47 = 307,180.27 : x
  2. Step 2: Convert to fraction form
    536,622.98/740,639.47 = 307,180.27/x
  3. Step 3: Cross multiply
    536,622.98x = 740,639.47 × 307,180.27
  4. Step 4: Simplify right side
    536,622.98x = 227,509,832,367.26
  5. Step 5: Solve for x
    x = 227,509,832,367.26/536,622.98
  6. Step 6: Final answer
    x = 423,965.88

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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.