Home / 855,570.67-1,284,617.61-477,230.60

Finding the Fourth Proportional to 855,570.67, 1,284,617.61 and 477,230.60

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Solution

The fourth proportional to 855,570.67, 1,284,617.61 and 477,230.60 is: 716,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,570.67 : 1,284,617.61 = 477,230.60 : x
  2. Step 2: Convert to fraction form
    855,570.67/1,284,617.61 = 477,230.60/x
  3. Step 3: Cross multiply
    855,570.67x = 1,284,617.61 × 477,230.60
  4. Step 4: Simplify right side
    855,570.67x = 613,058,836,002.41
  5. Step 5: Solve for x
    x = 613,058,836,002.41/855,570.67
  6. Step 6: Final answer
    x = 716,549.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.