Home / 677,476.30-1,016,214.84-172,075.18

Finding the Fourth Proportional to 677,476.30, 1,016,214.84 and 172,075.18

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Solution

The fourth proportional to 677,476.30, 1,016,214.84 and 172,075.18 is: 258,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,476.30 : 1,016,214.84 = 172,075.18 : x
  2. Step 2: Convert to fraction form
    677,476.30/1,016,214.84 = 172,075.18/x
  3. Step 3: Cross multiply
    677,476.30x = 1,016,214.84 × 172,075.18
  4. Step 4: Simplify right side
    677,476.30x = 174,865,345,570.22
  5. Step 5: Solve for x
    x = 174,865,345,570.22/677,476.30
  6. Step 6: Final answer
    x = 258,112.86

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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.