Home / 835,744.53-1,254,114.82-303,307.07

Finding the Fourth Proportional to 835,744.53, 1,254,114.82 and 303,307.07

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Solution

The fourth proportional to 835,744.53, 1,254,114.82 and 303,307.07 is: 455,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,744.53 : 1,254,114.82 = 303,307.07 : x
  2. Step 2: Convert to fraction form
    835,744.53/1,254,114.82 = 303,307.07/x
  3. Step 3: Cross multiply
    835,744.53x = 1,254,114.82 × 303,307.07
  4. Step 4: Simplify right side
    835,744.53x = 380,381,883,900.24
  5. Step 5: Solve for x
    x = 380,381,883,900.24/835,744.53
  6. Step 6: Final answer
    x = 455,141.34

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Double scale
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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.