Home / 890,999.90-1,336,551.05-260,011.10

Finding the Fourth Proportional to 890,999.90, 1,336,551.05 and 260,011.10

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Solution

The fourth proportional to 890,999.90, 1,336,551.05 and 260,011.10 is: 390,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,999.90 : 1,336,551.05 = 260,011.10 : x
  2. Step 2: Convert to fraction form
    890,999.90/1,336,551.05 = 260,011.10/x
  3. Step 3: Cross multiply
    890,999.90x = 1,336,551.05 × 260,011.10
  4. Step 4: Simplify right side
    890,999.90x = 347,518,108,716.66
  5. Step 5: Solve for x
    x = 347,518,108,716.66/890,999.90
  6. Step 6: Final answer
    x = 390,031.59

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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.