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Finding the Fourth Proportional to 532,365.31, 734,665.80 and 341,379.46

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Solution

The fourth proportional to 532,365.31, 734,665.80 and 341,379.46 is: 471,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,365.31 : 734,665.80 = 341,379.46 : x
  2. Step 2: Convert to fraction form
    532,365.31/734,665.80 = 341,379.46/x
  3. Step 3: Cross multiply
    532,365.31x = 734,665.80 × 341,379.46
  4. Step 4: Simplify right side
    532,365.31x = 250,799,814,362.71
  5. Step 5: Solve for x
    x = 250,799,814,362.71/532,365.31
  6. Step 6: Final answer
    x = 471,104.73

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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.