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Finding the Fourth Proportional to 648,848.02, 888,906.97 and 624,589.42

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Solution

The fourth proportional to 648,848.02, 888,906.97 and 624,589.42 is: 855,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,848.02 : 888,906.97 = 624,589.42 : x
  2. Step 2: Convert to fraction form
    648,848.02/888,906.97 = 624,589.42/x
  3. Step 3: Cross multiply
    648,848.02x = 888,906.97 × 624,589.42
  4. Step 4: Simplify right side
    648,848.02x = 555,201,885,703.31
  5. Step 5: Solve for x
    x = 555,201,885,703.31/648,848.02
  6. Step 6: Final answer
    x = 855,673.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.