Home / 680,574.94-1,020,784.58-181,977.82

Finding the Fourth Proportional to 680,574.94, 1,020,784.58 and 181,977.82

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Solution

The fourth proportional to 680,574.94, 1,020,784.58 and 181,977.82 is: 272,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,574.94 : 1,020,784.58 = 181,977.82 : x
  2. Step 2: Convert to fraction form
    680,574.94/1,020,784.58 = 181,977.82/x
  3. Step 3: Cross multiply
    680,574.94x = 1,020,784.58 × 181,977.82
  4. Step 4: Simplify right side
    680,574.94x = 185,760,152,558.02
  5. Step 5: Solve for x
    x = 185,760,152,558.02/680,574.94
  6. Step 6: Final answer
    x = 272,945.92

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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.