Home / 449,583.60-620,397.36-245,593.20

Finding the Fourth Proportional to 449,583.60, 620,397.36 and 245,593.20

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Solution

The fourth proportional to 449,583.60, 620,397.36 and 245,593.20 is: 338,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,583.60 : 620,397.36 = 245,593.20 : x
  2. Step 2: Convert to fraction form
    449,583.60/620,397.36 = 245,593.20/x
  3. Step 3: Cross multiply
    449,583.60x = 620,397.36 × 245,593.20
  4. Step 4: Simplify right side
    449,583.60x = 152,365,372,913.95
  5. Step 5: Solve for x
    x = 152,365,372,913.95/449,583.60
  6. Step 6: Final answer
    x = 338,903.32

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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.