Home / 708,904.20-1,062,384.30-455,406.60

Finding the Fourth Proportional to 708,904.20, 1,062,384.30 and 455,406.60

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Solution

The fourth proportional to 708,904.20, 1,062,384.30 and 455,406.60 is: 682,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,904.20 : 1,062,384.30 = 455,406.60 : x
  2. Step 2: Convert to fraction form
    708,904.20/1,062,384.30 = 455,406.60/x
  3. Step 3: Cross multiply
    708,904.20x = 1,062,384.30 × 455,406.60
  4. Step 4: Simplify right side
    708,904.20x = 483,816,821,956.38
  5. Step 5: Solve for x
    x = 483,816,821,956.38/708,904.20
  6. Step 6: Final answer
    x = 682,485.48

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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.