Finding the Fourth Proportional to 997,252.80, 1,385,499.68 and 985,295.40
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Solution
The fourth proportional to 997,252.80, 1,385,499.68 and 985,295.40 is: 1,368,887.07
Step by Step Solution
- Step 1: Write the proportion equation
997,252.80 : 1,385,499.68 = 985,295.40 : x - Step 2: Convert to fraction form
997,252.80/1,385,499.68 = 985,295.40/x - Step 3: Cross multiply
997,252.80x = 1,385,499.68 × 985,295.40 - Step 4: Simplify right side
997,252.80x = 1,365,126,461,405.47 - Step 5: Solve for x
x = 1,365,126,461,405.47/997,252.80 - Step 6: Final answer
x = 1,368,887.07
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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.