Home / 628,285.76-942,424.24-254,303.36

Finding the Fourth Proportional to 628,285.76, 942,424.24 and 254,303.36

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Solution

The fourth proportional to 628,285.76, 942,424.24 and 254,303.36 is: 381,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,285.76 : 942,424.24 = 254,303.36 : x
  2. Step 2: Convert to fraction form
    628,285.76/942,424.24 = 254,303.36/x
  3. Step 3: Cross multiply
    628,285.76x = 942,424.24 × 254,303.36
  4. Step 4: Simplify right side
    628,285.76x = 239,661,650,777.45
  5. Step 5: Solve for x
    x = 239,661,650,777.45/628,285.76
  6. Step 6: Final answer
    x = 381,453.26

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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.