Home / 698,908.32-1,048,768.72-294,070.88

Finding the Fourth Proportional to 698,908.32, 1,048,768.72 and 294,070.88

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Solution

The fourth proportional to 698,908.32, 1,048,768.72 and 294,070.88 is: 441,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,908.32 : 1,048,768.72 = 294,070.88 : x
  2. Step 2: Convert to fraction form
    698,908.32/1,048,768.72 = 294,070.88/x
  3. Step 3: Cross multiply
    698,908.32x = 1,048,768.72 × 294,070.88
  4. Step 4: Simplify right side
    698,908.32x = 308,412,340,406.87
  5. Step 5: Solve for x
    x = 308,412,340,406.87/698,908.32
  6. Step 6: Final answer
    x = 441,277.25

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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.