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Finding the Fourth Proportional to 929,983, 1,394,987.46 and 265,135

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Solution

The fourth proportional to 929,983, 1,394,987.46 and 265,135 is: 397,706.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,983 : 1,394,987.46 = 265,135 : x
  2. Step 2: Convert to fraction form
    929,983/1,394,987.46 = 265,135/x
  3. Step 3: Cross multiply
    929,983x = 1,394,987.46 × 265,135
  4. Step 4: Simplify right side
    929,983x = 369,860,000,207.10
  5. Step 5: Solve for x
    x = 369,860,000,207.10/929,983
  6. Step 6: Final answer
    x = 397,706.19

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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.