Home / 1,007,788.20-1,511,682.30-297,839.40

Finding the Fourth Proportional to 1,007,788.20, 1,511,682.30 and 297,839.40

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Solution

The fourth proportional to 1,007,788.20, 1,511,682.30 and 297,839.40 is: 446,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,788.20 : 1,511,682.30 = 297,839.40 : x
  2. Step 2: Convert to fraction form
    1,007,788.20/1,511,682.30 = 297,839.40/x
  3. Step 3: Cross multiply
    1,007,788.20x = 1,511,682.30 × 297,839.40
  4. Step 4: Simplify right side
    1,007,788.20x = 450,238,549,222.62
  5. Step 5: Solve for x
    x = 450,238,549,222.62/1,007,788.20
  6. Step 6: Final answer
    x = 446,759.10

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Double scale
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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.