Home / 789,920.60-1,182,876.15-434,533.10

Finding the Fourth Proportional to 789,920.60, 1,182,876.15 and 434,533.10

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Solution

The fourth proportional to 789,920.60, 1,182,876.15 and 434,533.10 is: 650,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,920.60 : 1,182,876.15 = 434,533.10 : x
  2. Step 2: Convert to fraction form
    789,920.60/1,182,876.15 = 434,533.10/x
  3. Step 3: Cross multiply
    789,920.60x = 1,182,876.15 × 434,533.10
  4. Step 4: Simplify right side
    789,920.60x = 513,998,840,375.57
  5. Step 5: Solve for x
    x = 513,998,840,375.57/789,920.60
  6. Step 6: Final answer
    x = 650,696.84

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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.