Home / 689,226.62-1,033,703.64-655,048.81

Finding the Fourth Proportional to 689,226.62, 1,033,703.64 and 655,048.81

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Solution

The fourth proportional to 689,226.62, 1,033,703.64 and 655,048.81 is: 982,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,226.62 : 1,033,703.64 = 655,048.81 : x
  2. Step 2: Convert to fraction form
    689,226.62/1,033,703.64 = 655,048.81/x
  3. Step 3: Cross multiply
    689,226.62x = 1,033,703.64 × 655,048.81
  4. Step 4: Simplify right side
    689,226.62x = 677,126,339,146.84
  5. Step 5: Solve for x
    x = 677,126,339,146.84/689,226.62
  6. Step 6: Final answer
    x = 982,443.68

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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.