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Finding the Fourth Proportional to 593,415.20, 889,729.20 and 327,303.20

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Solution

The fourth proportional to 593,415.20, 889,729.20 and 327,303.20 is: 490,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,415.20 : 889,729.20 = 327,303.20 : x
  2. Step 2: Convert to fraction form
    593,415.20/889,729.20 = 327,303.20/x
  3. Step 3: Cross multiply
    593,415.20x = 889,729.20 × 327,303.20
  4. Step 4: Simplify right side
    593,415.20x = 291,211,214,293.44
  5. Step 5: Solve for x
    x = 291,211,214,293.44/593,415.20
  6. Step 6: Final answer
    x = 490,737.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.