Home / 969,458.31-1,453,512.87-429,421.41

Finding the Fourth Proportional to 969,458.31, 1,453,512.87 and 429,421.41

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Solution

The fourth proportional to 969,458.31, 1,453,512.87 and 429,421.41 is: 643,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,458.31 : 1,453,512.87 = 429,421.41 : x
  2. Step 2: Convert to fraction form
    969,458.31/1,453,512.87 = 429,421.41/x
  3. Step 3: Cross multiply
    969,458.31x = 1,453,512.87 × 429,421.41
  4. Step 4: Simplify right side
    969,458.31x = 624,169,546,088.55
  5. Step 5: Solve for x
    x = 624,169,546,088.55/969,458.31
  6. Step 6: Final answer
    x = 643,833.30

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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.