Home / 780,922.96-1,077,584.88-441,390.40

Finding the Fourth Proportional to 780,922.96, 1,077,584.88 and 441,390.40

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Solution

The fourth proportional to 780,922.96, 1,077,584.88 and 441,390.40 is: 609,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,922.96 : 1,077,584.88 = 441,390.40 : x
  2. Step 2: Convert to fraction form
    780,922.96/1,077,584.88 = 441,390.40/x
  3. Step 3: Cross multiply
    780,922.96x = 1,077,584.88 × 441,390.40
  4. Step 4: Simplify right side
    780,922.96x = 475,635,621,217.15
  5. Step 5: Solve for x
    x = 475,635,621,217.15/780,922.96
  6. Step 6: Final answer
    x = 609,068.56

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1.5x scale

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.