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Finding the Fourth Proportional to 893,313.80, 1,339,970.70 and 294,367.40

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Solution

The fourth proportional to 893,313.80, 1,339,970.70 and 294,367.40 is: 441,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,313.80 : 1,339,970.70 = 294,367.40 : x
  2. Step 2: Convert to fraction form
    893,313.80/1,339,970.70 = 294,367.40/x
  3. Step 3: Cross multiply
    893,313.80x = 1,339,970.70 × 294,367.40
  4. Step 4: Simplify right side
    893,313.80x = 394,443,691,035.18
  5. Step 5: Solve for x
    x = 394,443,691,035.18/893,313.80
  6. Step 6: Final answer
    x = 441,551.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.