Home / 628,313.96-867,048.40-341,827.90

Finding the Fourth Proportional to 628,313.96, 867,048.40 and 341,827.90

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Solution

The fourth proportional to 628,313.96, 867,048.40 and 341,827.90 is: 471,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,313.96 : 867,048.40 = 341,827.90 : x
  2. Step 2: Convert to fraction form
    628,313.96/867,048.40 = 341,827.90/x
  3. Step 3: Cross multiply
    628,313.96x = 867,048.40 × 341,827.90
  4. Step 4: Simplify right side
    628,313.96x = 296,381,332,030.02
  5. Step 5: Solve for x
    x = 296,381,332,030.02/628,313.96
  6. Step 6: Final answer
    x = 471,708.97

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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.