Home / 867,056.51-1,299,690.81-361,911.44

Finding the Fourth Proportional to 867,056.51, 1,299,690.81 and 361,911.44

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Solution

The fourth proportional to 867,056.51, 1,299,690.81 and 361,911.44 is: 542,494.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,056.51 : 1,299,690.81 = 361,911.44 : x
  2. Step 2: Convert to fraction form
    867,056.51/1,299,690.81 = 361,911.44/x
  3. Step 3: Cross multiply
    867,056.51x = 1,299,690.81 × 361,911.44
  4. Step 4: Simplify right side
    867,056.51x = 470,372,966,103.41
  5. Step 5: Solve for x
    x = 470,372,966,103.41/867,056.51
  6. Step 6: Final answer
    x = 542,494.02

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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.