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Finding the Fourth Proportional to 449,700.09, 620,595.01 and 245,763.63

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Solution

The fourth proportional to 449,700.09, 620,595.01 and 245,763.63 is: 339,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,700.09 : 620,595.01 = 245,763.63 : x
  2. Step 2: Convert to fraction form
    449,700.09/620,595.01 = 245,763.63/x
  3. Step 3: Cross multiply
    449,700.09x = 620,595.01 × 245,763.63
  4. Step 4: Simplify right side
    449,700.09x = 152,519,682,417.49
  5. Step 5: Solve for x
    x = 152,519,682,417.49/449,700.09
  6. Step 6: Final answer
    x = 339,158.67

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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.