Home / 628,337.37-867,079.85-341,857.74

Finding the Fourth Proportional to 628,337.37, 867,079.85 and 341,857.74

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Solution

The fourth proportional to 628,337.37, 867,079.85 and 341,857.74 is: 471,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,337.37 : 867,079.85 = 341,857.74 : x
  2. Step 2: Convert to fraction form
    628,337.37/867,079.85 = 341,857.74/x
  3. Step 3: Cross multiply
    628,337.37x = 867,079.85 × 341,857.74
  4. Step 4: Simplify right side
    628,337.37x = 296,417,956,211.25
  5. Step 5: Solve for x
    x = 296,417,956,211.25/628,337.37
  6. Step 6: Final answer
    x = 471,749.68

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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.