Home / 837,148.60-1,155,233.22-455,175.70

Finding the Fourth Proportional to 837,148.60, 1,155,233.22 and 455,175.70

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Solution

The fourth proportional to 837,148.60, 1,155,233.22 and 455,175.70 is: 628,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,148.60 : 1,155,233.22 = 455,175.70 : x
  2. Step 2: Convert to fraction form
    837,148.60/1,155,233.22 = 455,175.70/x
  3. Step 3: Cross multiply
    837,148.60x = 1,155,233.22 × 455,175.70
  4. Step 4: Simplify right side
    837,148.60x = 525,834,089,576.75
  5. Step 5: Solve for x
    x = 525,834,089,576.75/837,148.60
  6. Step 6: Final answer
    x = 628,125.15

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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.