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Finding the Fourth Proportional to 450,588.61, 621,809.22 and 259,597.90

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Solution

The fourth proportional to 450,588.61, 621,809.22 and 259,597.90 is: 358,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,588.61 : 621,809.22 = 259,597.90 : x
  2. Step 2: Convert to fraction form
    450,588.61/621,809.22 = 259,597.90/x
  3. Step 3: Cross multiply
    450,588.61x = 621,809.22 × 259,597.90
  4. Step 4: Simplify right side
    450,588.61x = 161,420,367,712.64
  5. Step 5: Solve for x
    x = 161,420,367,712.64/450,588.61
  6. Step 6: Final answer
    x = 358,243.34

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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.