Home / 626,772.42-864,945.93-340,292.55

Finding the Fourth Proportional to 626,772.42, 864,945.93 and 340,292.55

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Solution

The fourth proportional to 626,772.42, 864,945.93 and 340,292.55 is: 469,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,772.42 : 864,945.93 = 340,292.55 : x
  2. Step 2: Convert to fraction form
    626,772.42/864,945.93 = 340,292.55/x
  3. Step 3: Cross multiply
    626,772.42x = 864,945.93 × 340,292.55
  4. Step 4: Simplify right side
    626,772.42x = 294,334,656,131.82
  5. Step 5: Solve for x
    x = 294,334,656,131.82/626,772.42
  6. Step 6: Final answer
    x = 469,603.71

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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.