Home / 759,626.28-1,139,019.06-310,662.45

Finding the Fourth Proportional to 759,626.28, 1,139,019.06 and 310,662.45

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Solution

The fourth proportional to 759,626.28, 1,139,019.06 and 310,662.45 is: 465,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,626.28 : 1,139,019.06 = 310,662.45 : x
  2. Step 2: Convert to fraction form
    759,626.28/1,139,019.06 = 310,662.45/x
  3. Step 3: Cross multiply
    759,626.28x = 1,139,019.06 × 310,662.45
  4. Step 4: Simplify right side
    759,626.28x = 353,850,451,776.30
  5. Step 5: Solve for x
    x = 353,850,451,776.30/759,626.28
  6. Step 6: Final answer
    x = 465,821.76

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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.