Home / 698,477.76-1,046,840.54-298,649.21

Finding the Fourth Proportional to 698,477.76, 1,046,840.54 and 298,649.21

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Solution

The fourth proportional to 698,477.76, 1,046,840.54 and 298,649.21 is: 447,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,477.76 : 1,046,840.54 = 298,649.21 : x
  2. Step 2: Convert to fraction form
    698,477.76/1,046,840.54 = 298,649.21/x
  3. Step 3: Cross multiply
    698,477.76x = 1,046,840.54 × 298,649.21
  4. Step 4: Simplify right side
    698,477.76x = 312,638,093,539.53
  5. Step 5: Solve for x
    x = 312,638,093,539.53/698,477.76
  6. Step 6: Final answer
    x = 447,599.21

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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.