Home / 938,574.30-1,295,135.28-576,013.44

Finding the Fourth Proportional to 938,574.30, 1,295,135.28 and 576,013.44

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Solution

The fourth proportional to 938,574.30, 1,295,135.28 and 576,013.44 is: 794,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,574.30 : 1,295,135.28 = 576,013.44 : x
  2. Step 2: Convert to fraction form
    938,574.30/1,295,135.28 = 576,013.44/x
  3. Step 3: Cross multiply
    938,574.30x = 1,295,135.28 × 576,013.44
  4. Step 4: Simplify right side
    938,574.30x = 746,015,327,898.16
  5. Step 5: Solve for x
    x = 746,015,327,898.16/938,574.30
  6. Step 6: Final answer
    x = 794,838.86

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1.5x scale

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.