Home / 691,059.70-1,036,642.03-235,509.35

Finding the Fourth Proportional to 691,059.70, 1,036,642.03 and 235,509.35

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Solution

The fourth proportional to 691,059.70, 1,036,642.03 and 235,509.35 is: 353,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,059.70 : 1,036,642.03 = 235,509.35 : x
  2. Step 2: Convert to fraction form
    691,059.70/1,036,642.03 = 235,509.35/x
  3. Step 3: Cross multiply
    691,059.70x = 1,036,642.03 × 235,509.35
  4. Step 4: Simplify right side
    691,059.70x = 244,138,890,667.98
  5. Step 5: Solve for x
    x = 244,138,890,667.98/691,059.70
  6. Step 6: Final answer
    x = 353,281.91

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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.