Home / 837,339.12-1,155,495.78-455,366.34

Finding the Fourth Proportional to 837,339.12, 1,155,495.78 and 455,366.34

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Solution

The fourth proportional to 837,339.12, 1,155,495.78 and 455,366.34 is: 628,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,339.12 : 1,155,495.78 = 455,366.34 : x
  2. Step 2: Convert to fraction form
    837,339.12/1,155,495.78 = 455,366.34/x
  3. Step 3: Cross multiply
    837,339.12x = 1,155,495.78 × 455,366.34
  4. Step 4: Simplify right side
    837,339.12x = 526,173,884,224.05
  5. Step 5: Solve for x
    x = 526,173,884,224.05/837,339.12
  6. Step 6: Final answer
    x = 628,388.03

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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.