Home / 689,994.40-1,035,035.52-216,698.44

Finding the Fourth Proportional to 689,994.40, 1,035,035.52 and 216,698.44

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Solution

The fourth proportional to 689,994.40, 1,035,035.52 and 216,698.44 is: 325,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,994.40 : 1,035,035.52 = 216,698.44 : x
  2. Step 2: Convert to fraction form
    689,994.40/1,035,035.52 = 216,698.44/x
  3. Step 3: Cross multiply
    689,994.40x = 1,035,035.52 × 216,698.44
  4. Step 4: Simplify right side
    689,994.40x = 224,290,582,528.59
  5. Step 5: Solve for x
    x = 224,290,582,528.59/689,994.40
  6. Step 6: Final answer
    x = 325,061.45

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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.