Home / 801,513.94-1,105,899.48-474,661.90

Finding the Fourth Proportional to 801,513.94, 1,105,899.48 and 474,661.90

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Solution

The fourth proportional to 801,513.94, 1,105,899.48 and 474,661.90 is: 654,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,513.94 : 1,105,899.48 = 474,661.90 : x
  2. Step 2: Convert to fraction form
    801,513.94/1,105,899.48 = 474,661.90/x
  3. Step 3: Cross multiply
    801,513.94x = 1,105,899.48 × 474,661.90
  4. Step 4: Simplify right side
    801,513.94x = 524,928,348,385.81
  5. Step 5: Solve for x
    x = 524,928,348,385.81/801,513.94
  6. Step 6: Final answer
    x = 654,921.05

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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.