Home / 672,078.90-1,008,296.55-292,836.90

Finding the Fourth Proportional to 672,078.90, 1,008,296.55 and 292,836.90

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Solution

The fourth proportional to 672,078.90, 1,008,296.55 and 292,836.90 is: 439,332.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,078.90 : 1,008,296.55 = 292,836.90 : x
  2. Step 2: Convert to fraction form
    672,078.90/1,008,296.55 = 292,836.90/x
  3. Step 3: Cross multiply
    672,078.90x = 1,008,296.55 × 292,836.90
  4. Step 4: Simplify right side
    672,078.90x = 295,266,435,982.70
  5. Step 5: Solve for x
    x = 295,266,435,982.70/672,078.90
  6. Step 6: Final answer
    x = 439,332.99

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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.