Home / 845,106.78-1,166,247.33-463,142.34

Finding the Fourth Proportional to 845,106.78, 1,166,247.33 and 463,142.34

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Solution

The fourth proportional to 845,106.78, 1,166,247.33 and 463,142.34 is: 639,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,106.78 : 1,166,247.33 = 463,142.34 : x
  2. Step 2: Convert to fraction form
    845,106.78/1,166,247.33 = 463,142.34/x
  3. Step 3: Cross multiply
    845,106.78x = 1,166,247.33 × 463,142.34
  4. Step 4: Simplify right side
    845,106.78x = 540,138,517,434.95
  5. Step 5: Solve for x
    x = 540,138,517,434.95/845,106.78
  6. Step 6: Final answer
    x = 639,136.41

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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.