Finding the Fourth Proportional to 911,319.60, 1,257,631.61 and 503,412.99
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Solution
The fourth proportional to 911,319.60, 1,257,631.61 and 503,412.99 is: 694,715.76
Step by Step Solution
- Step 1: Write the proportion equation
911,319.60 : 1,257,631.61 = 503,412.99 : x - Step 2: Convert to fraction form
911,319.60/1,257,631.61 = 503,412.99/x - Step 3: Cross multiply
911,319.60x = 1,257,631.61 × 503,412.99 - Step 4: Simplify right side
911,319.60x = 633,108,089,108.61 - Step 5: Solve for x
x = 633,108,089,108.61/911,319.60 - Step 6: Final answer
x = 694,715.76
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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.