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Finding the Fourth Proportional to 652,608.09, 900,764.72 and 445,960.19

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Solution

The fourth proportional to 652,608.09, 900,764.72 and 445,960.19 is: 615,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,608.09 : 900,764.72 = 445,960.19 : x
  2. Step 2: Convert to fraction form
    652,608.09/900,764.72 = 445,960.19/x
  3. Step 3: Cross multiply
    652,608.09x = 900,764.72 × 445,960.19
  4. Step 4: Simplify right side
    652,608.09x = 401,705,205,676.50
  5. Step 5: Solve for x
    x = 401,705,205,676.50/652,608.09
  6. Step 6: Final answer
    x = 615,538.19

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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.