Home / 628,218.72-942,328.08-254,504.16

Finding the Fourth Proportional to 628,218.72, 942,328.08 and 254,504.16

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Solution

The fourth proportional to 628,218.72, 942,328.08 and 254,504.16 is: 381,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,218.72 : 942,328.08 = 254,504.16 : x
  2. Step 2: Convert to fraction form
    628,218.72/942,328.08 = 254,504.16/x
  3. Step 3: Cross multiply
    628,218.72x = 942,328.08 × 254,504.16
  4. Step 4: Simplify right side
    628,218.72x = 239,826,416,444.81
  5. Step 5: Solve for x
    x = 239,826,416,444.81/628,218.72
  6. Step 6: Final answer
    x = 381,756.24

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Similar ratio
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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.