Home / 705,719.12-973,880.42-383,434.29

Finding the Fourth Proportional to 705,719.12, 973,880.42 and 383,434.29

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Solution

The fourth proportional to 705,719.12, 973,880.42 and 383,434.29 is: 529,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,719.12 : 973,880.42 = 383,434.29 : x
  2. Step 2: Convert to fraction form
    705,719.12/973,880.42 = 383,434.29/x
  3. Step 3: Cross multiply
    705,719.12x = 973,880.42 × 383,434.29
  4. Step 4: Simplify right side
    705,719.12x = 373,419,145,470.43
  5. Step 5: Solve for x
    x = 373,419,145,470.43/705,719.12
  6. Step 6: Final answer
    x = 529,132.82

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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.