Home / 851,710.86-1,277,566.84-477,996.30

Finding the Fourth Proportional to 851,710.86, 1,277,566.84 and 477,996.30

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Solution

The fourth proportional to 851,710.86, 1,277,566.84 and 477,996.30 is: 716,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,710.86 : 1,277,566.84 = 477,996.30 : x
  2. Step 2: Convert to fraction form
    851,710.86/1,277,566.84 = 477,996.30/x
  3. Step 3: Cross multiply
    851,710.86x = 1,277,566.84 × 477,996.30
  4. Step 4: Simplify right side
    851,710.86x = 610,672,222,522.69
  5. Step 5: Solve for x
    x = 610,672,222,522.69/851,710.86
  6. Step 6: Final answer
    x = 716,994.76

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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.