Home / 900,894.63-1,243,234.68-492,996.45

Finding the Fourth Proportional to 900,894.63, 1,243,234.68 and 492,996.45

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Solution

The fourth proportional to 900,894.63, 1,243,234.68 and 492,996.45 is: 680,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,894.63 : 1,243,234.68 = 492,996.45 : x
  2. Step 2: Convert to fraction form
    900,894.63/1,243,234.68 = 492,996.45/x
  3. Step 3: Cross multiply
    900,894.63x = 1,243,234.68 × 492,996.45
  4. Step 4: Simplify right side
    900,894.63x = 612,910,283,073.68
  5. Step 5: Solve for x
    x = 612,910,283,073.68/900,894.63
  6. Step 6: Final answer
    x = 680,335.15

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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.