Finding the Fourth Proportional to 916,294.14, 1,264,637.61 and 508,526.96
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Solution
The fourth proportional to 916,294.14, 1,264,637.61 and 508,526.96 is: 701,851.39
Step by Step Solution
- Step 1: Write the proportion equation
916,294.14 : 1,264,637.61 = 508,526.96 : x - Step 2: Convert to fraction form
916,294.14/1,264,637.61 = 508,526.96/x - Step 3: Cross multiply
916,294.14x = 1,264,637.61 × 508,526.96 - Step 4: Simplify right side
916,294.14x = 643,102,312,991.78 - Step 5: Solve for x
x = 643,102,312,991.78/916,294.14 - Step 6: Final answer
x = 701,851.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.