Home / 684,878.40-1,027,319.04-369,483.84

Finding the Fourth Proportional to 684,878.40, 1,027,319.04 and 369,483.84

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Solution

The fourth proportional to 684,878.40, 1,027,319.04 and 369,483.84 is: 554,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,878.40 : 1,027,319.04 = 369,483.84 : x
  2. Step 2: Convert to fraction form
    684,878.40/1,027,319.04 = 369,483.84/x
  3. Step 3: Cross multiply
    684,878.40x = 1,027,319.04 × 369,483.84
  4. Step 4: Simplify right side
    684,878.40x = 379,577,783,804.31
  5. Step 5: Solve for x
    x = 379,577,783,804.31/684,878.40
  6. Step 6: Final answer
    x = 554,226.54

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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.