Home / 907,607.57-1,252,886.11-646,131.67

Finding the Fourth Proportional to 907,607.57, 1,252,886.11 and 646,131.67

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Solution

The fourth proportional to 907,607.57, 1,252,886.11 and 646,131.67 is: 891,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,607.57 : 1,252,886.11 = 646,131.67 : x
  2. Step 2: Convert to fraction form
    907,607.57/1,252,886.11 = 646,131.67/x
  3. Step 3: Cross multiply
    907,607.57x = 1,252,886.11 × 646,131.67
  4. Step 4: Simplify right side
    907,607.57x = 809,529,394,524.88
  5. Step 5: Solve for x
    x = 809,529,394,524.88/907,607.57
  6. Step 6: Final answer
    x = 891,937.69

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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.