Finding the Fourth Proportional to 992,491.60, 1,369,598.88 and 539,782.96
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Solution
The fourth proportional to 992,491.60, 1,369,598.88 and 539,782.96 is: 744,878.99
Step by Step Solution
- Step 1: Write the proportion equation
992,491.60 : 1,369,598.88 = 539,782.96 : x - Step 2: Convert to fraction form
992,491.60/1,369,598.88 = 539,782.96/x - Step 3: Cross multiply
992,491.60x = 1,369,598.88 × 539,782.96 - Step 4: Simplify right side
992,491.60x = 739,286,137,459.09 - Step 5: Solve for x
x = 739,286,137,459.09/992,491.60 - Step 6: Final answer
x = 744,878.99
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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.