Home / 753,398.94-1,130,091.52-303,801.42

Finding the Fourth Proportional to 753,398.94, 1,130,091.52 and 303,801.42

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Solution

The fourth proportional to 753,398.94, 1,130,091.52 and 303,801.42 is: 455,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,398.94 : 1,130,091.52 = 303,801.42 : x
  2. Step 2: Convert to fraction form
    753,398.94/1,130,091.52 = 303,801.42/x
  3. Step 3: Cross multiply
    753,398.94x = 1,130,091.52 × 303,801.42
  4. Step 4: Simplify right side
    753,398.94x = 343,323,408,505.96
  5. Step 5: Solve for x
    x = 343,323,408,505.96/753,398.94
  6. Step 6: Final answer
    x = 455,699.35

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Similar ratio
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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.