Home / 648,164.15-971,697.21-268,848.14

Finding the Fourth Proportional to 648,164.15, 971,697.21 and 268,848.14

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Solution

The fourth proportional to 648,164.15, 971,697.21 and 268,848.14 is: 403,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,164.15 : 971,697.21 = 268,848.14 : x
  2. Step 2: Convert to fraction form
    648,164.15/971,697.21 = 268,848.14/x
  3. Step 3: Cross multiply
    648,164.15x = 971,697.21 × 268,848.14
  4. Step 4: Simplify right side
    648,164.15x = 261,238,987,551.69
  5. Step 5: Solve for x
    x = 261,238,987,551.69/648,164.15
  6. Step 6: Final answer
    x = 403,044.49

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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.