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Finding the Fourth Proportional to 463,090.02, 638,451.63 and 333,920.40

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Solution

The fourth proportional to 463,090.02, 638,451.63 and 333,920.40 is: 460,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,090.02 : 638,451.63 = 333,920.40 : x
  2. Step 2: Convert to fraction form
    463,090.02/638,451.63 = 333,920.40/x
  3. Step 3: Cross multiply
    463,090.02x = 638,451.63 × 333,920.40
  4. Step 4: Simplify right side
    463,090.02x = 213,192,023,670.25
  5. Step 5: Solve for x
    x = 213,192,023,670.25/463,090.02
  6. Step 6: Final answer
    x = 460,368.43

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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.