Home / 837,478.58-1,155,711.78-455,505.26

Finding the Fourth Proportional to 837,478.58, 1,155,711.78 and 455,505.26

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Solution

The fourth proportional to 837,478.58, 1,155,711.78 and 455,505.26 is: 628,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,478.58 : 1,155,711.78 = 455,505.26 : x
  2. Step 2: Convert to fraction form
    837,478.58/1,155,711.78 = 455,505.26/x
  3. Step 3: Cross multiply
    837,478.58x = 1,155,711.78 × 455,505.26
  4. Step 4: Simplify right side
    837,478.58x = 526,432,789,055.40
  5. Step 5: Solve for x
    x = 526,432,789,055.40/837,478.58
  6. Step 6: Final answer
    x = 628,592.55

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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.