Home / 684,400.22-1,026,526.38-228,939.83

Finding the Fourth Proportional to 684,400.22, 1,026,526.38 and 228,939.83

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Solution

The fourth proportional to 684,400.22, 1,026,526.38 and 228,939.83 is: 343,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,400.22 : 1,026,526.38 = 228,939.83 : x
  2. Step 2: Convert to fraction form
    684,400.22/1,026,526.38 = 228,939.83/x
  3. Step 3: Cross multiply
    684,400.22x = 1,026,526.38 × 228,939.83
  4. Step 4: Simplify right side
    684,400.22x = 235,012,779,848.03
  5. Step 5: Solve for x
    x = 235,012,779,848.03/684,400.22
  6. Step 6: Final answer
    x = 343,385.02

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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.