Home / 774,686.57-1,162,096.81-213,721.07

Finding the Fourth Proportional to 774,686.57, 1,162,096.81 and 213,721.07

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Solution

The fourth proportional to 774,686.57, 1,162,096.81 and 213,721.07 is: 320,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,686.57 : 1,162,096.81 = 213,721.07 : x
  2. Step 2: Convert to fraction form
    774,686.57/1,162,096.81 = 213,721.07/x
  3. Step 3: Cross multiply
    774,686.57x = 1,162,096.81 × 213,721.07
  4. Step 4: Simplify right side
    774,686.57x = 248,364,567,332
  5. Step 5: Solve for x
    x = 248,364,567,332/774,686.57
  6. Step 6: Final answer
    x = 320,600.07

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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.