Finding the Fourth Proportional to 746,918.76, 1,119,803.82 and 386,703.48
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Solution
The fourth proportional to 746,918.76, 1,119,803.82 and 386,703.48 is: 579,757.88
Step by Step Solution
- Step 1: Write the proportion equation
746,918.76 : 1,119,803.82 = 386,703.48 : x - Step 2: Convert to fraction form
746,918.76/1,119,803.82 = 386,703.48/x - Step 3: Cross multiply
746,918.76x = 1,119,803.82 × 386,703.48 - Step 4: Simplify right side
746,918.76x = 433,032,034,111.29 - Step 5: Solve for x
x = 433,032,034,111.29/746,918.76 - Step 6: Final answer
x = 579,757.88
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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.