Home / 533,263.68-736,089.20-306,999.36

Finding the Fourth Proportional to 533,263.68, 736,089.20 and 306,999.36

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Solution

The fourth proportional to 533,263.68, 736,089.20 and 306,999.36 is: 423,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,263.68 : 736,089.20 = 306,999.36 : x
  2. Step 2: Convert to fraction form
    533,263.68/736,089.20 = 306,999.36/x
  3. Step 3: Cross multiply
    533,263.68x = 736,089.20 × 306,999.36
  4. Step 4: Simplify right side
    533,263.68x = 225,978,913,302.91
  5. Step 5: Solve for x
    x = 225,978,913,302.91/533,263.68
  6. Step 6: Final answer
    x = 423,765.81

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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.