Finding the Fourth Proportional to 982,292.80, 1,472,056.80 and 727,585.60
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Solution
The fourth proportional to 982,292.80, 1,472,056.80 and 727,585.60 is: 1,090,354.45
Step by Step Solution
- Step 1: Write the proportion equation
982,292.80 : 1,472,056.80 = 727,585.60 : x - Step 2: Convert to fraction form
982,292.80/1,472,056.80 = 727,585.60/x - Step 3: Cross multiply
982,292.80x = 1,472,056.80 × 727,585.60 - Step 4: Simplify right side
982,292.80x = 1,071,047,330,062.08 - Step 5: Solve for x
x = 1,071,047,330,062.08/982,292.80 - Step 6: Final answer
x = 1,090,354.45
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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.