Home / 939,488.02-1,408,541.91-299,423.44

Finding the Fourth Proportional to 939,488.02, 1,408,541.91 and 299,423.44

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Solution

The fourth proportional to 939,488.02, 1,408,541.91 and 299,423.44 is: 448,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,488.02 : 1,408,541.91 = 299,423.44 : x
  2. Step 2: Convert to fraction form
    939,488.02/1,408,541.91 = 299,423.44/x
  3. Step 3: Cross multiply
    939,488.02x = 1,408,541.91 × 299,423.44
  4. Step 4: Simplify right side
    939,488.02x = 421,750,456,791.16
  5. Step 5: Solve for x
    x = 421,750,456,791.16/939,488.02
  6. Step 6: Final answer
    x = 448,915.21

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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.