Home / 767,765.50-1,059,513.40-423,622.85

Finding the Fourth Proportional to 767,765.50, 1,059,513.40 and 423,622.85

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Solution

The fourth proportional to 767,765.50, 1,059,513.40 and 423,622.85 is: 584,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,765.50 : 1,059,513.40 = 423,622.85 : x
  2. Step 2: Convert to fraction form
    767,765.50/1,059,513.40 = 423,622.85/x
  3. Step 3: Cross multiply
    767,765.50x = 1,059,513.40 × 423,622.85
  4. Step 4: Simplify right side
    767,765.50x = 448,834,086,121.19
  5. Step 5: Solve for x
    x = 448,834,086,121.19/767,765.50
  6. Step 6: Final answer
    x = 584,597.88

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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.