Home / 845,076.60-1,267,602.66-205,385.04

Finding the Fourth Proportional to 845,076.60, 1,267,602.66 and 205,385.04

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Solution

The fourth proportional to 845,076.60, 1,267,602.66 and 205,385.04 is: 308,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,076.60 : 1,267,602.66 = 205,385.04 : x
  2. Step 2: Convert to fraction form
    845,076.60/1,267,602.66 = 205,385.04/x
  3. Step 3: Cross multiply
    845,076.60x = 1,267,602.66 × 205,385.04
  4. Step 4: Simplify right side
    845,076.60x = 260,346,623,028.21
  5. Step 5: Solve for x
    x = 260,346,623,028.21/845,076.60
  6. Step 6: Final answer
    x = 308,074.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.