Home / 837,367.48-1,155,575.94-455,394.16

Finding the Fourth Proportional to 837,367.48, 1,155,575.94 and 455,394.16

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Solution

The fourth proportional to 837,367.48, 1,155,575.94 and 455,394.16 is: 628,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,367.48 : 1,155,575.94 = 455,394.16 : x
  2. Step 2: Convert to fraction form
    837,367.48/1,155,575.94 = 455,394.16/x
  3. Step 3: Cross multiply
    837,367.48x = 1,155,575.94 × 455,394.16
  4. Step 4: Simplify right side
    837,367.48x = 526,242,534,512.51
  5. Step 5: Solve for x
    x = 526,242,534,512.51/837,367.48
  6. Step 6: Final answer
    x = 628,448.74

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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.