Home / 705,056.40-1,057,759.56-330,642

Finding the Fourth Proportional to 705,056.40, 1,057,759.56 and 330,642

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Solution

The fourth proportional to 705,056.40, 1,057,759.56 and 330,642 is: 496,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,056.40 : 1,057,759.56 = 330,642 : x
  2. Step 2: Convert to fraction form
    705,056.40/1,057,759.56 = 330,642/x
  3. Step 3: Cross multiply
    705,056.40x = 1,057,759.56 × 330,642
  4. Step 4: Simplify right side
    705,056.40x = 349,739,736,437.52
  5. Step 5: Solve for x
    x = 349,739,736,437.52/705,056.40
  6. Step 6: Final answer
    x = 496,045.05

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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.