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Finding the Fourth Proportional to 417,049.44, 622,522.07 and 358,262.88

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Solution

The fourth proportional to 417,049.44, 622,522.07 and 358,262.88 is: 534,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,049.44 : 622,522.07 = 358,262.88 : x
  2. Step 2: Convert to fraction form
    417,049.44/622,522.07 = 358,262.88/x
  3. Step 3: Cross multiply
    417,049.44x = 622,522.07 × 358,262.88
  4. Step 4: Simplify right side
    417,049.44x = 223,026,547,870.45
  5. Step 5: Solve for x
    x = 223,026,547,870.45/417,049.44
  6. Step 6: Final answer
    x = 534,772.44

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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.