Home / 837,007.22-1,155,078.12-455,042.21

Finding the Fourth Proportional to 837,007.22, 1,155,078.12 and 455,042.21

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Solution

The fourth proportional to 837,007.22, 1,155,078.12 and 455,042.21 is: 627,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,007.22 : 1,155,078.12 = 455,042.21 : x
  2. Step 2: Convert to fraction form
    837,007.22/1,155,078.12 = 455,042.21/x
  3. Step 3: Cross multiply
    837,007.22x = 1,155,078.12 × 455,042.21
  4. Step 4: Simplify right side
    837,007.22x = 525,609,296,378.46
  5. Step 5: Solve for x
    x = 525,609,296,378.46/837,007.22
  6. Step 6: Final answer
    x = 627,962.68

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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.