Home / 684,049.72-943,970.10-373,939.96

Finding the Fourth Proportional to 684,049.72, 943,970.10 and 373,939.96

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Solution

The fourth proportional to 684,049.72, 943,970.10 and 373,939.96 is: 516,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,049.72 : 943,970.10 = 373,939.96 : x
  2. Step 2: Convert to fraction form
    684,049.72/943,970.10 = 373,939.96/x
  3. Step 3: Cross multiply
    684,049.72x = 943,970.10 × 373,939.96
  4. Step 4: Simplify right side
    684,049.72x = 352,988,141,435.20
  5. Step 5: Solve for x
    x = 352,988,141,435.20/684,049.72
  6. Step 6: Final answer
    x = 516,027.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.