Home / 835,749.90-1,254,122.85-303,312.42

Finding the Fourth Proportional to 835,749.90, 1,254,122.85 and 303,312.42

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Solution

The fourth proportional to 835,749.90, 1,254,122.85 and 303,312.42 is: 455,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,749.90 : 1,254,122.85 = 303,312.42 : x
  2. Step 2: Convert to fraction form
    835,749.90/1,254,122.85 = 303,312.42/x
  3. Step 3: Cross multiply
    835,749.90x = 1,254,122.85 × 303,312.42
  4. Step 4: Simplify right side
    835,749.90x = 380,391,036,610.80
  5. Step 5: Solve for x
    x = 380,391,036,610.80/835,749.90
  6. Step 6: Final answer
    x = 455,149.37

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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.