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Finding the Fourth Proportional to 637,426.80, 954,171.90 and 370,394.10

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Solution

The fourth proportional to 637,426.80, 954,171.90 and 370,394.10 is: 554,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,426.80 : 954,171.90 = 370,394.10 : x
  2. Step 2: Convert to fraction form
    637,426.80/954,171.90 = 370,394.10/x
  3. Step 3: Cross multiply
    637,426.80x = 954,171.90 × 370,394.10
  4. Step 4: Simplify right side
    637,426.80x = 353,419,642,145.79
  5. Step 5: Solve for x
    x = 353,419,642,145.79/637,426.80
  6. Step 6: Final answer
    x = 554,447.42

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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.