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Finding the Fourth Proportional to 535,088, 738,421.44 and 308,733.50

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Solution

The fourth proportional to 535,088, 738,421.44 and 308,733.50 is: 426,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,088 : 738,421.44 = 308,733.50 : x
  2. Step 2: Convert to fraction form
    535,088/738,421.44 = 308,733.50/x
  3. Step 3: Cross multiply
    535,088x = 738,421.44 × 308,733.50
  4. Step 4: Simplify right side
    535,088x = 227,975,435,646.24
  5. Step 5: Solve for x
    x = 227,975,435,646.24/535,088
  6. Step 6: Final answer
    x = 426,052.23

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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.