Home / 626,942.01-865,444.84-423,268.82

Finding the Fourth Proportional to 626,942.01, 865,444.84 and 423,268.82

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Solution

The fourth proportional to 626,942.01, 865,444.84 and 423,268.82 is: 584,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,942.01 : 865,444.84 = 423,268.82 : x
  2. Step 2: Convert to fraction form
    626,942.01/865,444.84 = 423,268.82/x
  3. Step 3: Cross multiply
    626,942.01x = 865,444.84 × 423,268.82
  4. Step 4: Simplify right side
    626,942.01x = 366,315,816,201.89
  5. Step 5: Solve for x
    x = 366,315,816,201.89/626,942.01
  6. Step 6: Final answer
    x = 584,289.80

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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.