Finding the Fourth Proportional to 647,768.34, 893,921.67 and 361,281.06
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Solution
The fourth proportional to 647,768.34, 893,921.67 and 361,281.06 is: 498,568.62
Step by Step Solution
- Step 1: Write the proportion equation
647,768.34 : 893,921.67 = 361,281.06 : x - Step 2: Convert to fraction form
647,768.34/893,921.67 = 361,281.06/x - Step 3: Cross multiply
647,768.34x = 893,921.67 × 361,281.06 - Step 4: Simplify right side
647,768.34x = 322,956,968,494.57 - Step 5: Solve for x
x = 322,956,968,494.57/647,768.34 - Step 6: Final answer
x = 498,568.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.