Home / 709,815.30-1,065,014.55-260,751.30

Finding the Fourth Proportional to 709,815.30, 1,065,014.55 and 260,751.30

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Solution

The fourth proportional to 709,815.30, 1,065,014.55 and 260,751.30 is: 391,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,815.30 : 1,065,014.55 = 260,751.30 : x
  2. Step 2: Convert to fraction form
    709,815.30/1,065,014.55 = 260,751.30/x
  3. Step 3: Cross multiply
    709,815.30x = 1,065,014.55 × 260,751.30
  4. Step 4: Simplify right side
    709,815.30x = 277,703,928,431.42
  5. Step 5: Solve for x
    x = 277,703,928,431.42/709,815.30
  6. Step 6: Final answer
    x = 391,234.07

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1.5x scale

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.