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Finding the Fourth Proportional to 845,351, 1,166,703.72 and 523,164.86

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Solution

The fourth proportional to 845,351, 1,166,703.72 and 523,164.86 is: 722,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,351 : 1,166,703.72 = 523,164.86 : x
  2. Step 2: Convert to fraction form
    845,351/1,166,703.72 = 523,164.86/x
  3. Step 3: Cross multiply
    845,351x = 1,166,703.72 × 523,164.86
  4. Step 4: Simplify right side
    845,351x = 610,378,388,335.28
  5. Step 5: Solve for x
    x = 610,378,388,335.28/845,351
  6. Step 6: Final answer
    x = 722,041.36

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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.