Home / 688,198.80-1,032,298.20-449,050.35

Finding the Fourth Proportional to 688,198.80, 1,032,298.20 and 449,050.35

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Solution

The fourth proportional to 688,198.80, 1,032,298.20 and 449,050.35 is: 673,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,198.80 : 1,032,298.20 = 449,050.35 : x
  2. Step 2: Convert to fraction form
    688,198.80/1,032,298.20 = 449,050.35/x
  3. Step 3: Cross multiply
    688,198.80x = 1,032,298.20 × 449,050.35
  4. Step 4: Simplify right side
    688,198.80x = 463,553,868,014.37
  5. Step 5: Solve for x
    x = 463,553,868,014.37/688,198.80
  6. Step 6: Final answer
    x = 673,575.53

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Double scale
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Similar ratio
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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.