Finding the Fourth Proportional to 698,528.64, 1,046,916.12 and 298,699.08
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Solution
The fourth proportional to 698,528.64, 1,046,916.12 and 298,699.08 is: 447,673.67
Step by Step Solution
- Step 1: Write the proportion equation
698,528.64 : 1,046,916.12 = 298,699.08 : x - Step 2: Convert to fraction form
698,528.64/1,046,916.12 = 298,699.08/x - Step 3: Cross multiply
698,528.64x = 1,046,916.12 × 298,699.08 - Step 4: Simplify right side
698,528.64x = 312,712,881,881.17 - Step 5: Solve for x
x = 312,712,881,881.17/698,528.64 - Step 6: Final answer
x = 447,673.67
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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.