Finding the Fourth Proportional to 924.15, 1,387.62 and 750.99
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Solution
The fourth proportional to 924.15, 1,387.62 and 750.99 is: 1,127.62
Step by Step Solution
- Step 1: Write the proportion equation
924.15 : 1,387.62 = 750.99 : x - Step 2: Convert to fraction form
924.15/1,387.62 = 750.99/x - Step 3: Cross multiply
924.15x = 1,387.62 × 750.99 - Step 4: Simplify right side
924.15x = 1,042,088.74 - Step 5: Solve for x
x = 1,042,088.74/924.15 - Step 6: Final answer
x = 1,127.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.