Home / 999,507.45-1,498,848.83-383,918.43

Finding the Fourth Proportional to 999,507.45, 1,498,848.83 and 383,918.43

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Solution

The fourth proportional to 999,507.45, 1,498,848.83 and 383,918.43 is: 575,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,507.45 : 1,498,848.83 = 383,918.43 : x
  2. Step 2: Convert to fraction form
    999,507.45/1,498,848.83 = 383,918.43/x
  3. Step 3: Cross multiply
    999,507.45x = 1,498,848.83 × 383,918.43
  4. Step 4: Simplify right side
    999,507.45x = 575,435,695,841.49
  5. Step 5: Solve for x
    x = 575,435,695,841.49/999,507.45
  6. Step 6: Final answer
    x = 575,719.27

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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.