Home / 680,573.51-1,020,782.43-181,976.39

Finding the Fourth Proportional to 680,573.51, 1,020,782.43 and 181,976.39

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Solution

The fourth proportional to 680,573.51, 1,020,782.43 and 181,976.39 is: 272,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,573.51 : 1,020,782.43 = 181,976.39 : x
  2. Step 2: Convert to fraction form
    680,573.51/1,020,782.43 = 181,976.39/x
  3. Step 3: Cross multiply
    680,573.51x = 1,020,782.43 × 181,976.39
  4. Step 4: Simplify right side
    680,573.51x = 185,758,296,482.92
  5. Step 5: Solve for x
    x = 185,758,296,482.92/680,573.51
  6. Step 6: Final answer
    x = 272,943.77

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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.