Home / 825,465.42-1,138,659.54-519,056.70

Finding the Fourth Proportional to 825,465.42, 1,138,659.54 and 519,056.70

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Solution

The fourth proportional to 825,465.42, 1,138,659.54 and 519,056.70 is: 715,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,465.42 : 1,138,659.54 = 519,056.70 : x
  2. Step 2: Convert to fraction form
    825,465.42/1,138,659.54 = 519,056.70/x
  3. Step 3: Cross multiply
    825,465.42x = 1,138,659.54 × 519,056.70
  4. Step 4: Simplify right side
    825,465.42x = 591,028,863,255.92
  5. Step 5: Solve for x
    x = 591,028,863,255.92/825,465.42
  6. Step 6: Final answer
    x = 715,994.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.