Home / 845,500.56-1,268,411.04-445,763.40

Finding the Fourth Proportional to 845,500.56, 1,268,411.04 and 445,763.40

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Solution

The fourth proportional to 845,500.56, 1,268,411.04 and 445,763.40 is: 668,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,500.56 : 1,268,411.04 = 445,763.40 : x
  2. Step 2: Convert to fraction form
    845,500.56/1,268,411.04 = 445,763.40/x
  3. Step 3: Cross multiply
    845,500.56x = 1,268,411.04 × 445,763.40
  4. Step 4: Simplify right side
    845,500.56x = 565,411,217,787.94
  5. Step 5: Solve for x
    x = 565,411,217,787.94/845,500.56
  6. Step 6: Final answer
    x = 668,729.56

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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.