Home / 612,121.02-844,726.26-340,180.32

Finding the Fourth Proportional to 612,121.02, 844,726.26 and 340,180.32

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Solution

The fourth proportional to 612,121.02, 844,726.26 and 340,180.32 is: 469,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,121.02 : 844,726.26 = 340,180.32 : x
  2. Step 2: Convert to fraction form
    612,121.02/844,726.26 = 340,180.32/x
  3. Step 3: Cross multiply
    612,121.02x = 844,726.26 × 340,180.32
  4. Step 4: Simplify right side
    612,121.02x = 287,359,249,439.20
  5. Step 5: Solve for x
    x = 287,359,249,439.20/612,121.02
  6. Step 6: Final answer
    x = 469,448.43

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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.