Home / 837,072.24-1,155,135.96-455,090.16

Finding the Fourth Proportional to 837,072.24, 1,155,135.96 and 455,090.16

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Solution

The fourth proportional to 837,072.24, 1,155,135.96 and 455,090.16 is: 628,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,072.24 : 1,155,135.96 = 455,090.16 : x
  2. Step 2: Convert to fraction form
    837,072.24/1,155,135.96 = 455,090.16/x
  3. Step 3: Cross multiply
    837,072.24x = 1,155,135.96 × 455,090.16
  4. Step 4: Simplify right side
    837,072.24x = 525,691,008,858.15
  5. Step 5: Solve for x
    x = 525,691,008,858.15/837,072.24
  6. Step 6: Final answer
    x = 628,011.52

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Double scale
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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.