Home / 839,861.34-1,259,421.36-240,686.52

Finding the Fourth Proportional to 839,861.34, 1,259,421.36 and 240,686.52

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Solution

The fourth proportional to 839,861.34, 1,259,421.36 and 240,686.52 is: 360,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,861.34 : 1,259,421.36 = 240,686.52 : x
  2. Step 2: Convert to fraction form
    839,861.34/1,259,421.36 = 240,686.52/x
  3. Step 3: Cross multiply
    839,861.34x = 1,259,421.36 × 240,686.52
  4. Step 4: Simplify right side
    839,861.34x = 303,125,744,352.07
  5. Step 5: Solve for x
    x = 303,125,744,352.07/839,861.34
  6. Step 6: Final answer
    x = 360,923.56

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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.