Home / 405,629.40-607,277.70-248,165.40

Finding the Fourth Proportional to 405,629.40, 607,277.70 and 248,165.40

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Solution

The fourth proportional to 405,629.40, 607,277.70 and 248,165.40 is: 371,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,629.40 : 607,277.70 = 248,165.40 : x
  2. Step 2: Convert to fraction form
    405,629.40/607,277.70 = 248,165.40/x
  3. Step 3: Cross multiply
    405,629.40x = 607,277.70 × 248,165.40
  4. Step 4: Simplify right side
    405,629.40x = 150,705,313,331.58
  5. Step 5: Solve for x
    x = 150,705,313,331.58/405,629.40
  6. Step 6: Final answer
    x = 371,534.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.