Home / 1,479,576.78-2,219,365.53-357,645.66

Finding the Fourth Proportional to 1,479,576.78, 2,219,365.53 and 357,645.66

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Solution

The fourth proportional to 1,479,576.78, 2,219,365.53 and 357,645.66 is: 536,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,576.78 : 2,219,365.53 = 357,645.66 : x
  2. Step 2: Convert to fraction form
    1,479,576.78/2,219,365.53 = 357,645.66/x
  3. Step 3: Cross multiply
    1,479,576.78x = 2,219,365.53 × 357,645.66
  4. Step 4: Simplify right side
    1,479,576.78x = 793,746,449,758.10
  5. Step 5: Solve for x
    x = 793,746,449,758.10/1,479,576.78
  6. Step 6: Final answer
    x = 536,468.58

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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.