Home / 947,105.45-1,420,670.48-316,019.26

Finding the Fourth Proportional to 947,105.45, 1,420,670.48 and 316,019.26

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Solution

The fourth proportional to 947,105.45, 1,420,670.48 and 316,019.26 is: 474,033.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,105.45 : 1,420,670.48 = 316,019.26 : x
  2. Step 2: Convert to fraction form
    947,105.45/1,420,670.48 = 316,019.26/x
  3. Step 3: Cross multiply
    947,105.45x = 1,420,670.48 × 316,019.26
  4. Step 4: Simplify right side
    947,105.45x = 448,959,233,989.19
  5. Step 5: Solve for x
    x = 448,959,233,989.19/947,105.45
  6. Step 6: Final answer
    x = 474,033.00

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Double scale
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Similar ratio
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1.5x scale

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.