Finding the Fourth Proportional to 889,312.24, 1,334,687.64 and 689,158
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Solution
The fourth proportional to 889,312.24, 1,334,687.64 and 689,158 is: 1,034,294.39
Step by Step Solution
- Step 1: Write the proportion equation
889,312.24 : 1,334,687.64 = 689,158 : x - Step 2: Convert to fraction form
889,312.24/1,334,687.64 = 689,158/x - Step 3: Cross multiply
889,312.24x = 1,334,687.64 × 689,158 - Step 4: Simplify right side
889,312.24x = 919,810,664,607.12 - Step 5: Solve for x
x = 919,810,664,607.12/889,312.24 - Step 6: Final answer
x = 1,034,294.39
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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.