Home / 708,449.04-1,062,148.64-427,900.68

Finding the Fourth Proportional to 708,449.04, 1,062,148.64 and 427,900.68

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Solution

The fourth proportional to 708,449.04, 1,062,148.64 and 427,900.68 is: 641,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,449.04 : 1,062,148.64 = 427,900.68 : x
  2. Step 2: Convert to fraction form
    708,449.04/1,062,148.64 = 427,900.68/x
  3. Step 3: Cross multiply
    708,449.04x = 1,062,148.64 × 427,900.68
  4. Step 4: Simplify right side
    708,449.04x = 454,494,123,177.57
  5. Step 5: Solve for x
    x = 454,494,123,177.57/708,449.04
  6. Step 6: Final answer
    x = 641,533.97

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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.