Home / 891,601.04-1,230,886.79-687,204.02

Finding the Fourth Proportional to 891,601.04, 1,230,886.79 and 687,204.02

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Solution

The fourth proportional to 891,601.04, 1,230,886.79 and 687,204.02 is: 948,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,601.04 : 1,230,886.79 = 687,204.02 : x
  2. Step 2: Convert to fraction form
    891,601.04/1,230,886.79 = 687,204.02/x
  3. Step 3: Cross multiply
    891,601.04x = 1,230,886.79 × 687,204.02
  4. Step 4: Simplify right side
    891,601.04x = 845,870,340,662.44
  5. Step 5: Solve for x
    x = 845,870,340,662.44/891,601.04
  6. Step 6: Final answer
    x = 948,709.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.