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Finding the Fourth Proportional to 607,665.51, 838,568.16 and 335,744.73

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Solution

The fourth proportional to 607,665.51, 838,568.16 and 335,744.73 is: 463,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,665.51 : 838,568.16 = 335,744.73 : x
  2. Step 2: Convert to fraction form
    607,665.51/838,568.16 = 335,744.73/x
  3. Step 3: Cross multiply
    607,665.51x = 838,568.16 × 335,744.73
  4. Step 4: Simplify right side
    607,665.51x = 281,544,840,465.80
  5. Step 5: Solve for x
    x = 281,544,840,465.80/607,665.51
  6. Step 6: Final answer
    x = 463,322.07

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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.