Home / 749,783.55-1,125,122.44-300,602.91

Finding the Fourth Proportional to 749,783.55, 1,125,122.44 and 300,602.91

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Solution

The fourth proportional to 749,783.55, 1,125,122.44 and 300,602.91 is: 451,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,783.55 : 1,125,122.44 = 300,602.91 : x
  2. Step 2: Convert to fraction form
    749,783.55/1,125,122.44 = 300,602.91/x
  3. Step 3: Cross multiply
    749,783.55x = 1,125,122.44 × 300,602.91
  4. Step 4: Simplify right side
    749,783.55x = 338,215,079,570.30
  5. Step 5: Solve for x
    x = 338,215,079,570.30/749,783.55
  6. Step 6: Final answer
    x = 451,083.62

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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.