Home / 741,112.74-1,022,341.16-450,813.06

Finding the Fourth Proportional to 741,112.74, 1,022,341.16 and 450,813.06

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Solution

The fourth proportional to 741,112.74, 1,022,341.16 and 450,813.06 is: 621,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,112.74 : 1,022,341.16 = 450,813.06 : x
  2. Step 2: Convert to fraction form
    741,112.74/1,022,341.16 = 450,813.06/x
  3. Step 3: Cross multiply
    741,112.74x = 1,022,341.16 × 450,813.06
  4. Step 4: Simplify right side
    741,112.74x = 460,884,747,830.58
  5. Step 5: Solve for x
    x = 460,884,747,830.58/741,112.74
  6. Step 6: Final answer
    x = 621,882.10

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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.