Home / 668,919.69-1,003,532.75-289,904.00

Finding the Fourth Proportional to 668,919.69, 1,003,532.75 and 289,904.00

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Solution

The fourth proportional to 668,919.69, 1,003,532.75 and 289,904.00 is: 434,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,919.69 : 1,003,532.75 = 289,904.00 : x
  2. Step 2: Convert to fraction form
    668,919.69/1,003,532.75 = 289,904.00/x
  3. Step 3: Cross multiply
    668,919.69x = 1,003,532.75 × 289,904.00
  4. Step 4: Simplify right side
    668,919.69x = 290,928,151,888.82
  5. Step 5: Solve for x
    x = 290,928,151,888.82/668,919.69
  6. Step 6: Final answer
    x = 434,922.39

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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.