Home / 684,999.45-1,027,499.18-370,071.45

Finding the Fourth Proportional to 684,999.45, 1,027,499.18 and 370,071.45

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Solution

The fourth proportional to 684,999.45, 1,027,499.18 and 370,071.45 is: 555,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,999.45 : 1,027,499.18 = 370,071.45 : x
  2. Step 2: Convert to fraction form
    684,999.45/1,027,499.18 = 370,071.45/x
  3. Step 3: Cross multiply
    684,999.45x = 1,027,499.18 × 370,071.45
  4. Step 4: Simplify right side
    684,999.45x = 380,248,109,566.05
  5. Step 5: Solve for x
    x = 380,248,109,566.05/684,999.45
  6. Step 6: Final answer
    x = 555,107.18

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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.