Finding the Fourth Proportional to 916,708.84, 1,264,955.60 and 508,827.88
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Solution
The fourth proportional to 916,708.84, 1,264,955.60 and 508,827.88 is: 702,125.52
Step by Step Solution
- Step 1: Write the proportion equation
916,708.84 : 1,264,955.60 = 508,827.88 : x - Step 2: Convert to fraction form
916,708.84/1,264,955.60 = 508,827.88/x - Step 3: Cross multiply
916,708.84x = 1,264,955.60 × 508,827.88 - Step 4: Simplify right side
916,708.84x = 643,644,667,373.21 - Step 5: Solve for x
x = 643,644,667,373.21/916,708.84 - Step 6: Final answer
x = 702,125.52
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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.