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Finding the Fourth Proportional to 449,597.04, 620,443.44 and 258,605.52

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Solution

The fourth proportional to 449,597.04, 620,443.44 and 258,605.52 is: 356,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,597.04 : 620,443.44 = 258,605.52 : x
  2. Step 2: Convert to fraction form
    449,597.04/620,443.44 = 258,605.52/x
  3. Step 3: Cross multiply
    449,597.04x = 620,443.44 × 258,605.52
  4. Step 4: Simplify right side
    449,597.04x = 160,450,098,431.79
  5. Step 5: Solve for x
    x = 160,450,098,431.79/449,597.04
  6. Step 6: Final answer
    x = 356,875.34

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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.