Home / 646,997.40-892,856.44-375,222.96

Finding the Fourth Proportional to 646,997.40, 892,856.44 and 375,222.96

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Solution

The fourth proportional to 646,997.40, 892,856.44 and 375,222.96 is: 517,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,997.40 : 892,856.44 = 375,222.96 : x
  2. Step 2: Convert to fraction form
    646,997.40/892,856.44 = 375,222.96/x
  3. Step 3: Cross multiply
    646,997.40x = 892,856.44 × 375,222.96
  4. Step 4: Simplify right side
    646,997.40x = 335,020,236,271.86
  5. Step 5: Solve for x
    x = 335,020,236,271.86/646,997.40
  6. Step 6: Final answer
    x = 517,807.70

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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.