Home / 738,310.80-1,107,408.60-288,944.40

Finding the Fourth Proportional to 738,310.80, 1,107,408.60 and 288,944.40

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Solution

The fourth proportional to 738,310.80, 1,107,408.60 and 288,944.40 is: 433,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,310.80 : 1,107,408.60 = 288,944.40 : x
  2. Step 2: Convert to fraction form
    738,310.80/1,107,408.60 = 288,944.40/x
  3. Step 3: Cross multiply
    738,310.80x = 1,107,408.60 × 288,944.40
  4. Step 4: Simplify right side
    738,310.80x = 319,979,513,481.84
  5. Step 5: Solve for x
    x = 319,979,513,481.84/738,310.80
  6. Step 6: Final answer
    x = 433,394.06

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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.