Home / 626,956.82-865,465.31-423,283.67

Finding the Fourth Proportional to 626,956.82, 865,465.31 and 423,283.67

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Solution

The fourth proportional to 626,956.82, 865,465.31 and 423,283.67 is: 584,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,956.82 : 865,465.31 = 423,283.67 : x
  2. Step 2: Convert to fraction form
    626,956.82/865,465.31 = 423,283.67/x
  3. Step 3: Cross multiply
    626,956.82x = 865,465.31 × 423,283.67
  4. Step 4: Simplify right side
    626,956.82x = 366,337,329,405.37
  5. Step 5: Solve for x
    x = 366,337,329,405.37/626,956.82
  6. Step 6: Final answer
    x = 584,310.31

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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.