Home / 925,683.99-1,388,658.78-286,043.55

Finding the Fourth Proportional to 925,683.99, 1,388,658.78 and 286,043.55

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Solution

The fourth proportional to 925,683.99, 1,388,658.78 and 286,043.55 is: 429,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,683.99 : 1,388,658.78 = 286,043.55 : x
  2. Step 2: Convert to fraction form
    925,683.99/1,388,658.78 = 286,043.55/x
  3. Step 3: Cross multiply
    925,683.99x = 1,388,658.78 × 286,043.55
  4. Step 4: Simplify right side
    925,683.99x = 397,216,887,169.87
  5. Step 5: Solve for x
    x = 397,216,887,169.87/925,683.99
  6. Step 6: Final answer
    x = 429,106.36

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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.