Home / 837,242.48-1,155,416.52-455,291.60

Finding the Fourth Proportional to 837,242.48, 1,155,416.52 and 455,291.60

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Solution

The fourth proportional to 837,242.48, 1,155,416.52 and 455,291.60 is: 628,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,242.48 : 1,155,416.52 = 455,291.60 : x
  2. Step 2: Convert to fraction form
    837,242.48/1,155,416.52 = 455,291.60/x
  3. Step 3: Cross multiply
    837,242.48x = 1,155,416.52 × 455,291.60
  4. Step 4: Simplify right side
    837,242.48x = 526,051,436,057.23
  5. Step 5: Solve for x
    x = 526,051,436,057.23/837,242.48
  6. Step 6: Final answer
    x = 628,314.32

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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.