Home / 845,340.96-1,268,205.89-276,740.40

Finding the Fourth Proportional to 845,340.96, 1,268,205.89 and 276,740.40

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Solution

The fourth proportional to 845,340.96, 1,268,205.89 and 276,740.40 is: 415,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,340.96 : 1,268,205.89 = 276,740.40 : x
  2. Step 2: Convert to fraction form
    845,340.96/1,268,205.89 = 276,740.40/x
  3. Step 3: Cross multiply
    845,340.96x = 1,268,205.89 × 276,740.40
  4. Step 4: Simplify right side
    845,340.96x = 350,963,803,897.25
  5. Step 5: Solve for x
    x = 350,963,803,897.25/845,340.96
  6. Step 6: Final answer
    x = 415,174.26

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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.