Home / 450,346.24-621,634.08-259,435.72

Finding the Fourth Proportional to 450,346.24, 621,634.08 and 259,435.72

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Solution

The fourth proportional to 450,346.24, 621,634.08 and 259,435.72 is: 358,111.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,346.24 : 621,634.08 = 259,435.72 : x
  2. Step 2: Convert to fraction form
    450,346.24/621,634.08 = 259,435.72/x
  3. Step 3: Cross multiply
    450,346.24x = 621,634.08 × 259,435.72
  4. Step 4: Simplify right side
    450,346.24x = 161,274,085,121.34
  5. Step 5: Solve for x
    x = 161,274,085,121.34/450,346.24
  6. Step 6: Final answer
    x = 358,111.32

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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.