Home / 1,022,802.40-1,534,318.80-312,824.80

Finding the Fourth Proportional to 1,022,802.40, 1,534,318.80 and 312,824.80

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Solution

The fourth proportional to 1,022,802.40, 1,534,318.80 and 312,824.80 is: 469,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,802.40 : 1,534,318.80 = 312,824.80 : x
  2. Step 2: Convert to fraction form
    1,022,802.40/1,534,318.80 = 312,824.80/x
  3. Step 3: Cross multiply
    1,022,802.40x = 1,534,318.80 × 312,824.80
  4. Step 4: Simplify right side
    1,022,802.40x = 479,972,971,746.24
  5. Step 5: Solve for x
    x = 479,972,971,746.24/1,022,802.40
  6. Step 6: Final answer
    x = 469,272.43

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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.