Home / 852,599.70-1,278,778.59-291,552.66

Finding the Fourth Proportional to 852,599.70, 1,278,778.59 and 291,552.66

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Solution

The fourth proportional to 852,599.70, 1,278,778.59 and 291,552.66 is: 437,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,599.70 : 1,278,778.59 = 291,552.66 : x
  2. Step 2: Convert to fraction form
    852,599.70/1,278,778.59 = 291,552.66/x
  3. Step 3: Cross multiply
    852,599.70x = 1,278,778.59 × 291,552.66
  4. Step 4: Simplify right side
    852,599.70x = 372,831,299,465.55
  5. Step 5: Solve for x
    x = 372,831,299,465.55/852,599.70
  6. Step 6: Final answer
    x = 437,287.63

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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.