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Finding the Fourth Proportional to 658,610.46, 908,883.32 and 356,804.46

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Solution

The fourth proportional to 658,610.46, 908,883.32 and 356,804.46 is: 492,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,610.46 : 908,883.32 = 356,804.46 : x
  2. Step 2: Convert to fraction form
    658,610.46/908,883.32 = 356,804.46/x
  3. Step 3: Cross multiply
    658,610.46x = 908,883.32 × 356,804.46
  4. Step 4: Simplify right side
    658,610.46x = 324,293,620,411.59
  5. Step 5: Solve for x
    x = 324,293,620,411.59/658,610.46
  6. Step 6: Final answer
    x = 492,390.63

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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.