Home / 719,314.19-1,078,994.45-377,671.07

Finding the Fourth Proportional to 719,314.19, 1,078,994.45 and 377,671.07

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Solution

The fourth proportional to 719,314.19, 1,078,994.45 and 377,671.07 is: 566,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,314.19 : 1,078,994.45 = 377,671.07 : x
  2. Step 2: Convert to fraction form
    719,314.19/1,078,994.45 = 377,671.07/x
  3. Step 3: Cross multiply
    719,314.19x = 1,078,994.45 × 377,671.07
  4. Step 4: Simplify right side
    719,314.19x = 407,504,981,172.23
  5. Step 5: Solve for x
    x = 407,504,981,172.23/719,314.19
  6. Step 6: Final answer
    x = 566,518.76

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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.