Home / 837,242.89-1,155,382.01-455,266.33

Finding the Fourth Proportional to 837,242.89, 1,155,382.01 and 455,266.33

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Solution

The fourth proportional to 837,242.89, 1,155,382.01 and 455,266.33 is: 628,260.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,242.89 : 1,155,382.01 = 455,266.33 : x
  2. Step 2: Convert to fraction form
    837,242.89/1,155,382.01 = 455,266.33/x
  3. Step 3: Cross multiply
    837,242.89x = 1,155,382.01 × 455,266.33
  4. Step 4: Simplify right side
    837,242.89x = 526,006,523,983.19
  5. Step 5: Solve for x
    x = 526,006,523,983.19/837,242.89
  6. Step 6: Final answer
    x = 628,260.37

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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.