Home / 774,686.95-1,162,097.36-213,721.45

Finding the Fourth Proportional to 774,686.95, 1,162,097.36 and 213,721.45

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Solution

The fourth proportional to 774,686.95, 1,162,097.36 and 213,721.45 is: 320,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,686.95 : 1,162,097.36 = 213,721.45 : x
  2. Step 2: Convert to fraction form
    774,686.95/1,162,097.36 = 213,721.45/x
  3. Step 3: Cross multiply
    774,686.95x = 1,162,097.36 × 213,721.45
  4. Step 4: Simplify right side
    774,686.95x = 248,365,132,820.37
  5. Step 5: Solve for x
    x = 248,365,132,820.37/774,686.95
  6. Step 6: Final answer
    x = 320,600.64

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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.