Home / 845,976.47-1,268,669.06-340,406.27

Finding the Fourth Proportional to 845,976.47, 1,268,669.06 and 340,406.27

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Solution

The fourth proportional to 845,976.47, 1,268,669.06 and 340,406.27 is: 510,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,976.47 : 1,268,669.06 = 340,406.27 : x
  2. Step 2: Convert to fraction form
    845,976.47/1,268,669.06 = 340,406.27/x
  3. Step 3: Cross multiply
    845,976.47x = 1,268,669.06 × 340,406.27
  4. Step 4: Simplify right side
    845,976.47x = 431,862,894,533.63
  5. Step 5: Solve for x
    x = 431,862,894,533.63/845,976.47
  6. Step 6: Final answer
    x = 510,490.43

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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.