Home / 854,501.40-1,282,512.42-455,471.64

Finding the Fourth Proportional to 854,501.40, 1,282,512.42 and 455,471.64

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Solution

The fourth proportional to 854,501.40, 1,282,512.42 and 455,471.64 is: 683,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,501.40 : 1,282,512.42 = 455,471.64 : x
  2. Step 2: Convert to fraction form
    854,501.40/1,282,512.42 = 455,471.64/x
  3. Step 3: Cross multiply
    854,501.40x = 1,282,512.42 × 455,471.64
  4. Step 4: Simplify right side
    854,501.40x = 584,148,035,257.77
  5. Step 5: Solve for x
    x = 584,148,035,257.77/854,501.40
  6. Step 6: Final answer
    x = 683,612.73

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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.