Home / 450,327-621,453.69-246,380.34

Finding the Fourth Proportional to 450,327, 621,453.69 and 246,380.34

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Solution

The fourth proportional to 450,327, 621,453.69 and 246,380.34 is: 340,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,327 : 621,453.69 = 246,380.34 : x
  2. Step 2: Convert to fraction form
    450,327/621,453.69 = 246,380.34/x
  3. Step 3: Cross multiply
    450,327x = 621,453.69 × 246,380.34
  4. Step 4: Simplify right side
    450,327x = 153,113,971,436.46
  5. Step 5: Solve for x
    x = 153,113,971,436.46/450,327
  6. Step 6: Final answer
    x = 340,006.20

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1.5x scale

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.