Home / 837,172.71-1,155,290.31-455,199.57

Finding the Fourth Proportional to 837,172.71, 1,155,290.31 and 455,199.57

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Solution

The fourth proportional to 837,172.71, 1,155,290.31 and 455,199.57 is: 628,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,172.71 : 1,155,290.31 = 455,199.57 : x
  2. Step 2: Convert to fraction form
    837,172.71/1,155,290.31 = 455,199.57/x
  3. Step 3: Cross multiply
    837,172.71x = 1,155,290.31 × 455,199.57
  4. Step 4: Simplify right side
    837,172.71x = 525,887,652,337.17
  5. Step 5: Solve for x
    x = 525,887,652,337.17/837,172.71
  6. Step 6: Final answer
    x = 628,171.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.