Finding the Fourth Proportional to 692,747.70, 1,038,344.46 and 453,322.26
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Solution
The fourth proportional to 692,747.70, 1,038,344.46 and 453,322.26 is: 679,474.88
Step by Step Solution
- Step 1: Write the proportion equation
692,747.70 : 1,038,344.46 = 453,322.26 : x - Step 2: Convert to fraction form
692,747.70/1,038,344.46 = 453,322.26/x - Step 3: Cross multiply
692,747.70x = 1,038,344.46 × 453,322.26 - Step 4: Simplify right side
692,747.70x = 470,704,657,265.68 - Step 5: Solve for x
x = 470,704,657,265.68/692,747.70 - Step 6: Final answer
x = 679,474.88
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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.