Home / 777,780.30-1,166,670.45-462,074.70

Finding the Fourth Proportional to 777,780.30, 1,166,670.45 and 462,074.70

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Solution

The fourth proportional to 777,780.30, 1,166,670.45 and 462,074.70 is: 693,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,780.30 : 1,166,670.45 = 462,074.70 : x
  2. Step 2: Convert to fraction form
    777,780.30/1,166,670.45 = 462,074.70/x
  3. Step 3: Cross multiply
    777,780.30x = 1,166,670.45 × 462,074.70
  4. Step 4: Simplify right side
    777,780.30x = 539,088,898,182.62
  5. Step 5: Solve for x
    x = 539,088,898,182.62/777,780.30
  6. Step 6: Final answer
    x = 693,112.05

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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.