Finding the Fourth Proportional to 988,636.84, 1,364,387.52 and 553,197.63
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Solution
The fourth proportional to 988,636.84, 1,364,387.52 and 553,197.63 is: 763,451.15
Step by Step Solution
- Step 1: Write the proportion equation
988,636.84 : 1,364,387.52 = 553,197.63 : x - Step 2: Convert to fraction form
988,636.84/1,364,387.52 = 553,197.63/x - Step 3: Cross multiply
988,636.84x = 1,364,387.52 × 553,197.63 - Step 4: Simplify right side
988,636.84x = 754,775,933,476.90 - Step 5: Solve for x
x = 754,775,933,476.90/988,636.84 - Step 6: Final answer
x = 763,451.15
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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.