Home / 741,035.16-1,022,647.74-454,390.20

Finding the Fourth Proportional to 741,035.16, 1,022,647.74 and 454,390.20

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Solution

The fourth proportional to 741,035.16, 1,022,647.74 and 454,390.20 is: 627,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,035.16 : 1,022,647.74 = 454,390.20 : x
  2. Step 2: Convert to fraction form
    741,035.16/1,022,647.74 = 454,390.20/x
  3. Step 3: Cross multiply
    741,035.16x = 1,022,647.74 × 454,390.20
  4. Step 4: Simplify right side
    741,035.16x = 464,681,111,108.15
  5. Step 5: Solve for x
    x = 464,681,111,108.15/741,035.16
  6. Step 6: Final answer
    x = 627,070.26

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Double scale
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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.