Home / 535,490.75-802,142.63-298,959.41

Finding the Fourth Proportional to 535,490.75, 802,142.63 and 298,959.41

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Solution

The fourth proportional to 535,490.75, 802,142.63 and 298,959.41 is: 447,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,490.75 : 802,142.63 = 298,959.41 : x
  2. Step 2: Convert to fraction form
    535,490.75/802,142.63 = 298,959.41/x
  3. Step 3: Cross multiply
    535,490.75x = 802,142.63 × 298,959.41
  4. Step 4: Simplify right side
    535,490.75x = 239,808,089,032.31
  5. Step 5: Solve for x
    x = 239,808,089,032.31/535,490.75
  6. Step 6: Final answer
    x = 447,828.63

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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.