Home / 719,705.87-1,078,377.21-246,132.89

Finding the Fourth Proportional to 719,705.87, 1,078,377.21 and 246,132.89

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Solution

The fourth proportional to 719,705.87, 1,078,377.21 and 246,132.89 is: 368,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,705.87 : 1,078,377.21 = 246,132.89 : x
  2. Step 2: Convert to fraction form
    719,705.87/1,078,377.21 = 246,132.89/x
  3. Step 3: Cross multiply
    719,705.87x = 1,078,377.21 × 246,132.89
  4. Step 4: Simplify right side
    719,705.87x = 265,424,093,815.55
  5. Step 5: Solve for x
    x = 265,424,093,815.55/719,705.87
  6. Step 6: Final answer
    x = 368,795.24

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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.