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Finding the Fourth Proportional to 536,509.03, 740,446.83 and 321,767.23

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Solution

The fourth proportional to 536,509.03, 740,446.83 and 321,767.23 is: 444,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,509.03 : 740,446.83 = 321,767.23 : x
  2. Step 2: Convert to fraction form
    536,509.03/740,446.83 = 321,767.23/x
  3. Step 3: Cross multiply
    536,509.03x = 740,446.83 × 321,767.23
  4. Step 4: Simplify right side
    536,509.03x = 238,251,520,140.31
  5. Step 5: Solve for x
    x = 238,251,520,140.31/536,509.03
  6. Step 6: Final answer
    x = 444,077.38

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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.