Home / 774,432.45-1,162,230.32-395,670.02

Finding the Fourth Proportional to 774,432.45, 1,162,230.32 and 395,670.02

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Solution

The fourth proportional to 774,432.45, 1,162,230.32 and 395,670.02 is: 593,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,432.45 : 1,162,230.32 = 395,670.02 : x
  2. Step 2: Convert to fraction form
    774,432.45/1,162,230.32 = 395,670.02/x
  3. Step 3: Cross multiply
    774,432.45x = 1,162,230.32 × 395,670.02
  4. Step 4: Simplify right side
    774,432.45x = 459,859,698,943.35
  5. Step 5: Solve for x
    x = 459,859,698,943.35/774,432.45
  6. Step 6: Final answer
    x = 593,802.21

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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.