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Finding the Fourth Proportional to 622,667.55, 934,296.58 and 370,446.31

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Solution

The fourth proportional to 622,667.55, 934,296.58 and 370,446.31 is: 555,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,667.55 : 934,296.58 = 370,446.31 : x
  2. Step 2: Convert to fraction form
    622,667.55/934,296.58 = 370,446.31/x
  3. Step 3: Cross multiply
    622,667.55x = 934,296.58 × 370,446.31
  4. Step 4: Simplify right side
    622,667.55x = 346,106,720,053.79
  5. Step 5: Solve for x
    x = 346,106,720,053.79/622,667.55
  6. Step 6: Final answer
    x = 555,845.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.