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Finding the Fourth Proportional to 664,648.62, 917,210.43 and 362,842.62

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Solution

The fourth proportional to 664,648.62, 917,210.43 and 362,842.62 is: 500,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,648.62 : 917,210.43 = 362,842.62 : x
  2. Step 2: Convert to fraction form
    664,648.62/917,210.43 = 362,842.62/x
  3. Step 3: Cross multiply
    664,648.62x = 917,210.43 × 362,842.62
  4. Step 4: Simplify right side
    664,648.62x = 332,803,035,512.53
  5. Step 5: Solve for x
    x = 332,803,035,512.53/664,648.62
  6. Step 6: Final answer
    x = 500,720.27

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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.