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Finding the Fourth Proportional to 631,427.68, 945,628.44 and 460,190.44

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Solution

The fourth proportional to 631,427.68, 945,628.44 and 460,190.44 is: 689,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,427.68 : 945,628.44 = 460,190.44 : x
  2. Step 2: Convert to fraction form
    631,427.68/945,628.44 = 460,190.44/x
  3. Step 3: Cross multiply
    631,427.68x = 945,628.44 × 460,190.44
  4. Step 4: Simplify right side
    631,427.68x = 435,169,167,880.11
  5. Step 5: Solve for x
    x = 435,169,167,880.11/631,427.68
  6. Step 6: Final answer
    x = 689,182.91

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Double scale
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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.