Home / 774,964.45-1,069,471.72-468,975.81

Finding the Fourth Proportional to 774,964.45, 1,069,471.72 and 468,975.81

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Solution

The fourth proportional to 774,964.45, 1,069,471.72 and 468,975.81 is: 647,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,964.45 : 1,069,471.72 = 468,975.81 : x
  2. Step 2: Convert to fraction form
    774,964.45/1,069,471.72 = 468,975.81/x
  3. Step 3: Cross multiply
    774,964.45x = 1,069,471.72 × 468,975.81
  4. Step 4: Simplify right side
    774,964.45x = 501,556,366,159.09
  5. Step 5: Solve for x
    x = 501,556,366,159.09/774,964.45
  6. Step 6: Final answer
    x = 647,199.19

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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.