Home / 739,953.20-1,109,929.80-629,728.40

Finding the Fourth Proportional to 739,953.20, 1,109,929.80 and 629,728.40

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Solution

The fourth proportional to 739,953.20, 1,109,929.80 and 629,728.40 is: 944,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,953.20 : 1,109,929.80 = 629,728.40 : x
  2. Step 2: Convert to fraction form
    739,953.20/1,109,929.80 = 629,728.40/x
  3. Step 3: Cross multiply
    739,953.20x = 1,109,929.80 × 629,728.40
  4. Step 4: Simplify right side
    739,953.20x = 698,954,317,066.32
  5. Step 5: Solve for x
    x = 698,954,317,066.32/739,953.20
  6. Step 6: Final answer
    x = 944,592.60

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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.