Home / 779,731.58-1,075,978.59-453,015.65

Finding the Fourth Proportional to 779,731.58, 1,075,978.59 and 453,015.65

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Solution

The fourth proportional to 779,731.58, 1,075,978.59 and 453,015.65 is: 625,131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,731.58 : 1,075,978.59 = 453,015.65 : x
  2. Step 2: Convert to fraction form
    779,731.58/1,075,978.59 = 453,015.65/x
  3. Step 3: Cross multiply
    779,731.58x = 1,075,978.59 × 453,015.65
  4. Step 4: Simplify right side
    779,731.58x = 487,435,141,326.07
  5. Step 5: Solve for x
    x = 487,435,141,326.07/779,731.58
  6. Step 6: Final answer
    x = 625,131.97

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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.