Home / 914,670.63-1,262,245.47-512,262.63

Finding the Fourth Proportional to 914,670.63, 1,262,245.47 and 512,262.63

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Solution

The fourth proportional to 914,670.63, 1,262,245.47 and 512,262.63 is: 706,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,670.63 : 1,262,245.47 = 512,262.63 : x
  2. Step 2: Convert to fraction form
    914,670.63/1,262,245.47 = 512,262.63/x
  3. Step 3: Cross multiply
    914,670.63x = 1,262,245.47 × 512,262.63
  4. Step 4: Simplify right side
    914,670.63x = 646,601,175,295.25
  5. Step 5: Solve for x
    x = 646,601,175,295.25/914,670.63
  6. Step 6: Final answer
    x = 706,922.42

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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.