Home / 774,305.24-1,066,069.50-660,671.96

Finding the Fourth Proportional to 774,305.24, 1,066,069.50 and 660,671.96

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Solution

The fourth proportional to 774,305.24, 1,066,069.50 and 660,671.96 is: 909,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,305.24 : 1,066,069.50 = 660,671.96 : x
  2. Step 2: Convert to fraction form
    774,305.24/1,066,069.50 = 660,671.96/x
  3. Step 3: Cross multiply
    774,305.24x = 1,066,069.50 × 660,671.96
  4. Step 4: Simplify right side
    774,305.24x = 704,322,226,061.22
  5. Step 5: Solve for x
    x = 704,322,226,061.22/774,305.24
  6. Step 6: Final answer
    x = 909,618.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.