Home / 686,024.82-1,027,274.67-448,675.38

Finding the Fourth Proportional to 686,024.82, 1,027,274.67 and 448,675.38

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Solution

The fourth proportional to 686,024.82, 1,027,274.67 and 448,675.38 is: 671,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,024.82 : 1,027,274.67 = 448,675.38 : x
  2. Step 2: Convert to fraction form
    686,024.82/1,027,274.67 = 448,675.38/x
  3. Step 3: Cross multiply
    686,024.82x = 1,027,274.67 × 448,675.38
  4. Step 4: Simplify right side
    686,024.82x = 460,912,852,926.63
  5. Step 5: Solve for x
    x = 460,912,852,926.63/686,024.82
  6. Step 6: Final answer
    x = 671,860.32

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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.