Home / 845,738.70-1,167,172.55-463,765.49

Finding the Fourth Proportional to 845,738.70, 1,167,172.55 and 463,765.49

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Solution

The fourth proportional to 845,738.70, 1,167,172.55 and 463,765.49 is: 640,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,738.70 : 1,167,172.55 = 463,765.49 : x
  2. Step 2: Convert to fraction form
    845,738.70/1,167,172.55 = 463,765.49/x
  3. Step 3: Cross multiply
    845,738.70x = 1,167,172.55 × 463,765.49
  4. Step 4: Simplify right side
    845,738.70x = 541,294,349,565.30
  5. Step 5: Solve for x
    x = 541,294,349,565.30/845,738.70
  6. Step 6: Final answer
    x = 640,025.52

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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.