Home / 705,415.17-973,479.96-383,131.56

Finding the Fourth Proportional to 705,415.17, 973,479.96 and 383,131.56

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Solution

The fourth proportional to 705,415.17, 973,479.96 and 383,131.56 is: 528,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,415.17 : 973,479.96 = 383,131.56 : x
  2. Step 2: Convert to fraction form
    705,415.17/973,479.96 = 383,131.56/x
  3. Step 3: Cross multiply
    705,415.17x = 973,479.96 × 383,131.56
  4. Step 4: Simplify right side
    705,415.17x = 372,970,895,703.54
  5. Step 5: Solve for x
    x = 372,970,895,703.54/705,415.17
  6. Step 6: Final answer
    x = 528,725.37

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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.