Home / 845,973.72-1,268,664.93-340,403.51

Finding the Fourth Proportional to 845,973.72, 1,268,664.93 and 340,403.51

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Solution

The fourth proportional to 845,973.72, 1,268,664.93 and 340,403.51 is: 510,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,973.72 : 1,268,664.93 = 340,403.51 : x
  2. Step 2: Convert to fraction form
    845,973.72/1,268,664.93 = 340,403.51/x
  3. Step 3: Cross multiply
    845,973.72x = 1,268,664.93 × 340,403.51
  4. Step 4: Simplify right side
    845,973.72x = 431,857,998,357.57
  5. Step 5: Solve for x
    x = 431,857,998,357.57/845,973.72
  6. Step 6: Final answer
    x = 510,486.30

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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.