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Finding the Fourth Proportional to 444,140.29, 612,876.31 and 262,820.68

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Solution

The fourth proportional to 444,140.29, 612,876.31 and 262,820.68 is: 362,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,140.29 : 612,876.31 = 262,820.68 : x
  2. Step 2: Convert to fraction form
    444,140.29/612,876.31 = 262,820.68/x
  3. Step 3: Cross multiply
    444,140.29x = 612,876.31 × 262,820.68
  4. Step 4: Simplify right side
    444,140.29x = 161,076,566,360.85
  5. Step 5: Solve for x
    x = 161,076,566,360.85/444,140.29
  6. Step 6: Final answer
    x = 362,670.47

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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.