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Finding the Fourth Proportional to 450,378.84, 621,626.58 and 297,447.24

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Solution

The fourth proportional to 450,378.84, 621,626.58 and 297,447.24 is: 410,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,378.84 : 621,626.58 = 297,447.24 : x
  2. Step 2: Convert to fraction form
    450,378.84/621,626.58 = 297,447.24/x
  3. Step 3: Cross multiply
    450,378.84x = 621,626.58 × 297,447.24
  4. Step 4: Simplify right side
    450,378.84x = 184,901,110,531.64
  5. Step 5: Solve for x
    x = 184,901,110,531.64/450,378.84
  6. Step 6: Final answer
    x = 410,545.73

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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.