Finding the Fourth Proportional to 736,970.40, 1,103,684.08 and 420,467.76
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Solution
The fourth proportional to 736,970.40, 1,103,684.08 and 420,467.76 is: 629,690.92
Step by Step Solution
- Step 1: Write the proportion equation
736,970.40 : 1,103,684.08 = 420,467.76 : x - Step 2: Convert to fraction form
736,970.40/1,103,684.08 = 420,467.76/x - Step 3: Cross multiply
736,970.40x = 1,103,684.08 × 420,467.76 - Step 4: Simplify right side
736,970.40x = 464,063,572,865.26 - Step 5: Solve for x
x = 464,063,572,865.26/736,970.40 - Step 6: Final answer
x = 629,690.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.