Finding the Fourth Proportional to 918,643.21, 1,267,318.49 and 536,501.41
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Solution
The fourth proportional to 918,643.21, 1,267,318.49 and 536,501.41 is: 740,133.00
Step by Step Solution
- Step 1: Write the proportion equation
918,643.21 : 1,267,318.49 = 536,501.41 : x - Step 2: Convert to fraction form
918,643.21/1,267,318.49 = 536,501.41/x - Step 3: Cross multiply
918,643.21x = 1,267,318.49 × 536,501.41 - Step 4: Simplify right side
918,643.21x = 679,918,156,804.07 - Step 5: Solve for x
x = 679,918,156,804.07/918,643.21 - Step 6: Final answer
x = 740,133.00
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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.