Home / 837,243.45-1,155,382.79-455,266.89

Finding the Fourth Proportional to 837,243.45, 1,155,382.79 and 455,266.89

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Solution

The fourth proportional to 837,243.45, 1,155,382.79 and 455,266.89 is: 628,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,243.45 : 1,155,382.79 = 455,266.89 : x
  2. Step 2: Convert to fraction form
    837,243.45/1,155,382.79 = 455,266.89/x
  3. Step 3: Cross multiply
    837,243.45x = 1,155,382.79 × 455,266.89
  4. Step 4: Simplify right side
    837,243.45x = 526,007,527,286.49
  5. Step 5: Solve for x
    x = 526,007,527,286.49/837,243.45
  6. Step 6: Final answer
    x = 628,261.14

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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.