Home / 677,044.40-934,307.92-371,121.44

Finding the Fourth Proportional to 677,044.40, 934,307.92 and 371,121.44

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Solution

The fourth proportional to 677,044.40, 934,307.92 and 371,121.44 is: 512,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,044.40 : 934,307.92 = 371,121.44 : x
  2. Step 2: Convert to fraction form
    677,044.40/934,307.92 = 371,121.44/x
  3. Step 3: Cross multiply
    677,044.40x = 934,307.92 × 371,121.44
  4. Step 4: Simplify right side
    677,044.40x = 346,741,700,673.81
  5. Step 5: Solve for x
    x = 346,741,700,673.81/677,044.40
  6. Step 6: Final answer
    x = 512,140.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.