Home / 883,820.42-1,219,637.85-540,231.64

Finding the Fourth Proportional to 883,820.42, 1,219,637.85 and 540,231.64

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Solution

The fourth proportional to 883,820.42, 1,219,637.85 and 540,231.64 is: 745,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,820.42 : 1,219,637.85 = 540,231.64 : x
  2. Step 2: Convert to fraction form
    883,820.42/1,219,637.85 = 540,231.64/x
  3. Step 3: Cross multiply
    883,820.42x = 1,219,637.85 × 540,231.64
  4. Step 4: Simplify right side
    883,820.42x = 658,886,949,813.39
  5. Step 5: Solve for x
    x = 658,886,949,813.39/883,820.42
  6. Step 6: Final answer
    x = 745,498.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.