Home / 969,326.70-1,453,316.73-429,288.69

Finding the Fourth Proportional to 969,326.70, 1,453,316.73 and 429,288.69

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Solution

The fourth proportional to 969,326.70, 1,453,316.73 and 429,288.69 is: 643,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,326.70 : 1,453,316.73 = 429,288.69 : x
  2. Step 2: Convert to fraction form
    969,326.70/1,453,316.73 = 429,288.69/x
  3. Step 3: Cross multiply
    969,326.70x = 1,453,316.73 × 429,288.69
  4. Step 4: Simplify right side
    969,326.70x = 623,892,435,176.78
  5. Step 5: Solve for x
    x = 623,892,435,176.78/969,326.70
  6. Step 6: Final answer
    x = 643,634.84

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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.