Finding the Fourth Proportional to 695,389.68, 1,042,920.84 and 189,830.47
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Solution
The fourth proportional to 695,389.68, 1,042,920.84 and 189,830.47 is: 284,701.02
Step by Step Solution
- Step 1: Write the proportion equation
695,389.68 : 1,042,920.84 = 189,830.47 : x - Step 2: Convert to fraction form
695,389.68/1,042,920.84 = 189,830.47/x - Step 3: Cross multiply
695,389.68x = 1,042,920.84 × 189,830.47 - Step 4: Simplify right side
695,389.68x = 197,978,153,230.00 - Step 5: Solve for x
x = 197,978,153,230.00/695,389.68 - Step 6: Final answer
x = 284,701.02
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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.