Home / 808,717.50-1,116,030.15-451,021.50

Finding the Fourth Proportional to 808,717.50, 1,116,030.15 and 451,021.50

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Solution

The fourth proportional to 808,717.50, 1,116,030.15 and 451,021.50 is: 622,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,717.50 : 1,116,030.15 = 451,021.50 : x
  2. Step 2: Convert to fraction form
    808,717.50/1,116,030.15 = 451,021.50/x
  3. Step 3: Cross multiply
    808,717.50x = 1,116,030.15 × 451,021.50
  4. Step 4: Simplify right side
    808,717.50x = 503,353,592,298.23
  5. Step 5: Solve for x
    x = 503,353,592,298.23/808,717.50
  6. Step 6: Final answer
    x = 622,409.67

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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.