Home / 1,022,802.90-1,534,319.55-312,825.30

Finding the Fourth Proportional to 1,022,802.90, 1,534,319.55 and 312,825.30

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Solution

The fourth proportional to 1,022,802.90, 1,534,319.55 and 312,825.30 is: 469,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,802.90 : 1,534,319.55 = 312,825.30 : x
  2. Step 2: Convert to fraction form
    1,022,802.90/1,534,319.55 = 312,825.30/x
  3. Step 3: Cross multiply
    1,022,802.90x = 1,534,319.55 × 312,825.30
  4. Step 4: Simplify right side
    1,022,802.90x = 479,973,973,524.62
  5. Step 5: Solve for x
    x = 479,973,973,524.62/1,022,802.90
  6. Step 6: Final answer
    x = 469,273.18

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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.