Home / 774,966.96-1,162,448.64-213,999.84

Finding the Fourth Proportional to 774,966.96, 1,162,448.64 and 213,999.84

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Solution

The fourth proportional to 774,966.96, 1,162,448.64 and 213,999.84 is: 320,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,966.96 : 1,162,448.64 = 213,999.84 : x
  2. Step 2: Convert to fraction form
    774,966.96/1,162,448.64 = 213,999.84/x
  3. Step 3: Cross multiply
    774,966.96x = 1,162,448.64 × 213,999.84
  4. Step 4: Simplify right side
    774,966.96x = 248,763,822,968.22
  5. Step 5: Solve for x
    x = 248,763,822,968.22/774,966.96
  6. Step 6: Final answer
    x = 320,999.26

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1.5x scale

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.