Home / 483,230.08-724,839.36-340,485.76

Finding the Fourth Proportional to 483,230.08, 724,839.36 and 340,485.76

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Solution

The fourth proportional to 483,230.08, 724,839.36 and 340,485.76 is: 510,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,230.08 : 724,839.36 = 340,485.76 : x
  2. Step 2: Convert to fraction form
    483,230.08/724,839.36 = 340,485.76/x
  3. Step 3: Cross multiply
    483,230.08x = 724,839.36 × 340,485.76
  4. Step 4: Simplify right side
    483,230.08x = 246,797,480,367.51
  5. Step 5: Solve for x
    x = 246,797,480,367.51/483,230.08
  6. Step 6: Final answer
    x = 510,724.58

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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.