Home / 774,964.95-1,069,472.41-468,976.31

Finding the Fourth Proportional to 774,964.95, 1,069,472.41 and 468,976.31

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Solution

The fourth proportional to 774,964.95, 1,069,472.41 and 468,976.31 is: 647,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,964.95 : 1,069,472.41 = 468,976.31 : x
  2. Step 2: Convert to fraction form
    774,964.95/1,069,472.41 = 468,976.31/x
  3. Step 3: Cross multiply
    774,964.95x = 1,069,472.41 × 468,976.31
  4. Step 4: Simplify right side
    774,964.95x = 501,557,224,488.61
  5. Step 5: Solve for x
    x = 501,557,224,488.61/774,964.95
  6. Step 6: Final answer
    x = 647,199.88

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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.