Home / 839,953.20-1,259,929.80-460,727.40

Finding the Fourth Proportional to 839,953.20, 1,259,929.80 and 460,727.40

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Solution

The fourth proportional to 839,953.20, 1,259,929.80 and 460,727.40 is: 691,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,953.20 : 1,259,929.80 = 460,727.40 : x
  2. Step 2: Convert to fraction form
    839,953.20/1,259,929.80 = 460,727.40/x
  3. Step 3: Cross multiply
    839,953.20x = 1,259,929.80 × 460,727.40
  4. Step 4: Simplify right side
    839,953.20x = 580,484,180,936.52
  5. Step 5: Solve for x
    x = 580,484,180,936.52/839,953.20
  6. Step 6: Final answer
    x = 691,091.10

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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.