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Finding the Fourth Proportional to 606,490.62, 907,842.80 and 446,746.67

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Solution

The fourth proportional to 606,490.62, 907,842.80 and 446,746.67 is: 668,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,490.62 : 907,842.80 = 446,746.67 : x
  2. Step 2: Convert to fraction form
    606,490.62/907,842.80 = 446,746.67/x
  3. Step 3: Cross multiply
    606,490.62x = 907,842.80 × 446,746.67
  4. Step 4: Simplify right side
    606,490.62x = 405,575,747,783.48
  5. Step 5: Solve for x
    x = 405,575,747,783.48/606,490.62
  6. Step 6: Final answer
    x = 668,725.51

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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.