Finding the Fourth Proportional to 722,929.82, 997,626.16 and 400,632.99
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Solution
The fourth proportional to 722,929.82, 997,626.16 and 400,632.99 is: 552,864.12
Step by Step Solution
- Step 1: Write the proportion equation
722,929.82 : 997,626.16 = 400,632.99 : x - Step 2: Convert to fraction form
722,929.82/997,626.16 = 400,632.99/x - Step 3: Cross multiply
722,929.82x = 997,626.16 × 400,632.99 - Step 4: Simplify right side
722,929.82x = 399,681,957,686.96 - Step 5: Solve for x
x = 399,681,957,686.96/722,929.82 - Step 6: Final answer
x = 552,864.12
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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.