Home / 837,421.34-1,155,608.25-455,448.02

Finding the Fourth Proportional to 837,421.34, 1,155,608.25 and 455,448.02

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Solution

The fourth proportional to 837,421.34, 1,155,608.25 and 455,448.02 is: 628,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,421.34 : 1,155,608.25 = 455,448.02 : x
  2. Step 2: Convert to fraction form
    837,421.34/1,155,608.25 = 455,448.02/x
  3. Step 3: Cross multiply
    837,421.34x = 1,155,608.25 × 455,448.02
  4. Step 4: Simplify right side
    837,421.34x = 526,319,489,358.17
  5. Step 5: Solve for x
    x = 526,319,489,358.17/837,421.34
  6. Step 6: Final answer
    x = 628,500.21

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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.