Home / 415,146.17-620,444.70-303,062.42

Finding the Fourth Proportional to 415,146.17, 620,444.70 and 303,062.42

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Solution

The fourth proportional to 415,146.17, 620,444.70 and 303,062.42 is: 452,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,146.17 : 620,444.70 = 303,062.42 : x
  2. Step 2: Convert to fraction form
    415,146.17/620,444.70 = 303,062.42/x
  3. Step 3: Cross multiply
    415,146.17x = 620,444.70 × 303,062.42
  4. Step 4: Simplify right side
    415,146.17x = 188,033,470,742.86
  5. Step 5: Solve for x
    x = 188,033,470,742.86/415,146.17
  6. Step 6: Final answer
    x = 452,933.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.