Finding the Fourth Proportional to 881,537.84, 1,216,547.88 and 499,551.92
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Solution
The fourth proportional to 881,537.84, 1,216,547.88 and 499,551.92 is: 689,396.19
Step by Step Solution
- Step 1: Write the proportion equation
881,537.84 : 1,216,547.88 = 499,551.92 : x - Step 2: Convert to fraction form
881,537.84/1,216,547.88 = 499,551.92/x - Step 3: Cross multiply
881,537.84x = 1,216,547.88 × 499,551.92 - Step 4: Simplify right side
881,537.84x = 607,728,829,225.93 - Step 5: Solve for x
x = 607,728,829,225.93/881,537.84 - Step 6: Final answer
x = 689,396.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.