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Finding the Fourth Proportional to 607,676.66, 838,627.43 and 335,738.72

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Solution

The fourth proportional to 607,676.66, 838,627.43 and 335,738.72 is: 463,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,676.66 : 838,627.43 = 335,738.72 : x
  2. Step 2: Convert to fraction form
    607,676.66/838,627.43 = 335,738.72/x
  3. Step 3: Cross multiply
    607,676.66x = 838,627.43 × 335,738.72
  4. Step 4: Simplify right side
    607,676.66x = 281,559,700,322.97
  5. Step 5: Solve for x
    x = 281,559,700,322.97/607,676.66
  6. Step 6: Final answer
    x = 463,338.02

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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.