Home / 846,026.60-1,269,212.70-285,117.80

Finding the Fourth Proportional to 846,026.60, 1,269,212.70 and 285,117.80

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Solution

The fourth proportional to 846,026.60, 1,269,212.70 and 285,117.80 is: 427,734.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,026.60 : 1,269,212.70 = 285,117.80 : x
  2. Step 2: Convert to fraction form
    846,026.60/1,269,212.70 = 285,117.80/x
  3. Step 3: Cross multiply
    846,026.60x = 1,269,212.70 × 285,117.80
  4. Step 4: Simplify right side
    846,026.60x = 361,875,132,756.06
  5. Step 5: Solve for x
    x = 361,875,132,756.06/846,026.60
  6. Step 6: Final answer
    x = 427,734.93

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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.