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Finding the Fourth Proportional to 554,028.60, 830,799.90 and 254,409.60

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Solution

The fourth proportional to 554,028.60, 830,799.90 and 254,409.60 is: 381,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,028.60 : 830,799.90 = 254,409.60 : x
  2. Step 2: Convert to fraction form
    554,028.60/830,799.90 = 254,409.60/x
  3. Step 3: Cross multiply
    554,028.60x = 830,799.90 × 254,409.60
  4. Step 4: Simplify right side
    554,028.60x = 211,363,470,239.04
  5. Step 5: Solve for x
    x = 211,363,470,239.04/554,028.60
  6. Step 6: Final answer
    x = 381,502.81

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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.