Home / 879,881.50-1,214,236.47-477,473.50

Finding the Fourth Proportional to 879,881.50, 1,214,236.47 and 477,473.50

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Solution

The fourth proportional to 879,881.50, 1,214,236.47 and 477,473.50 is: 658,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,881.50 : 1,214,236.47 = 477,473.50 : x
  2. Step 2: Convert to fraction form
    879,881.50/1,214,236.47 = 477,473.50/x
  3. Step 3: Cross multiply
    879,881.50x = 1,214,236.47 × 477,473.50
  4. Step 4: Simplify right side
    879,881.50x = 579,765,737,158.55
  5. Step 5: Solve for x
    x = 579,765,737,158.55/879,881.50
  6. Step 6: Final answer
    x = 658,913.43

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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.