Finding the Fourth Proportional to 754,815.19, 1,132,389.11 and 328,417.96
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Solution
The fourth proportional to 754,815.19, 1,132,389.11 and 328,417.96 is: 492,699.31
Step by Step Solution
- Step 1: Write the proportion equation
754,815.19 : 1,132,389.11 = 328,417.96 : x - Step 2: Convert to fraction form
754,815.19/1,132,389.11 = 328,417.96/x - Step 3: Cross multiply
754,815.19x = 1,132,389.11 × 328,417.96 - Step 4: Simplify right side
754,815.19x = 371,896,921,432.42 - Step 5: Solve for x
x = 371,896,921,432.42/754,815.19 - Step 6: Final answer
x = 492,699.31
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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.