Home / 469,559.23-647,987.14-254,696.20

Finding the Fourth Proportional to 469,559.23, 647,987.14 and 254,696.20

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Solution

The fourth proportional to 469,559.23, 647,987.14 and 254,696.20 is: 351,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,559.23 : 647,987.14 = 254,696.20 : x
  2. Step 2: Convert to fraction form
    469,559.23/647,987.14 = 254,696.20/x
  3. Step 3: Cross multiply
    469,559.23x = 647,987.14 × 254,696.20
  4. Step 4: Simplify right side
    469,559.23x = 165,039,860,905.27
  5. Step 5: Solve for x
    x = 165,039,860,905.27/469,559.23
  6. Step 6: Final answer
    x = 351,478.26

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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.