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Finding the Fourth Proportional to 622,359, 858,804.39 and 350,339.94

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Solution

The fourth proportional to 622,359, 858,804.39 and 350,339.94 is: 483,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,359 : 858,804.39 = 350,339.94 : x
  2. Step 2: Convert to fraction form
    622,359/858,804.39 = 350,339.94/x
  3. Step 3: Cross multiply
    622,359x = 858,804.39 × 350,339.94
  4. Step 4: Simplify right side
    622,359x = 300,873,478,464.34
  5. Step 5: Solve for x
    x = 300,873,478,464.34/622,359
  6. Step 6: Final answer
    x = 483,440.39

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1.5x scale

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.