Finding the Fourth Proportional to 617,928.70, 926,374.65 and 322,440.70
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Solution
The fourth proportional to 617,928.70, 926,374.65 and 322,440.70 is: 483,390.54
Step by Step Solution
- Step 1: Write the proportion equation
617,928.70 : 926,374.65 = 322,440.70 : x - Step 2: Convert to fraction form
617,928.70/926,374.65 = 322,440.70/x - Step 3: Cross multiply
617,928.70x = 926,374.65 × 322,440.70 - Step 4: Simplify right side
617,928.70x = 298,700,890,608.26 - Step 5: Solve for x
x = 298,700,890,608.26/617,928.70 - Step 6: Final answer
x = 483,390.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.