Home / 859,280.03-1,289,511.74-298,314.53

Finding the Fourth Proportional to 859,280.03, 1,289,511.74 and 298,314.53

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Solution

The fourth proportional to 859,280.03, 1,289,511.74 and 298,314.53 is: 447,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,280.03 : 1,289,511.74 = 298,314.53 : x
  2. Step 2: Convert to fraction form
    859,280.03/1,289,511.74 = 298,314.53/x
  3. Step 3: Cross multiply
    859,280.03x = 1,289,511.74 × 298,314.53
  4. Step 4: Simplify right side
    859,280.03x = 384,680,087,156.01
  5. Step 5: Solve for x
    x = 384,680,087,156.01/859,280.03
  6. Step 6: Final answer
    x = 447,677.21

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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.