Finding the Fourth Proportional to 983,609.80, 1,473,341.10 and 878,547.40
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Solution
The fourth proportional to 983,609.80, 1,473,341.10 and 878,547.40 is: 1,315,968.99
Step by Step Solution
- Step 1: Write the proportion equation
983,609.80 : 1,473,341.10 = 878,547.40 : x - Step 2: Convert to fraction form
983,609.80/1,473,341.10 = 878,547.40/x - Step 3: Cross multiply
983,609.80x = 1,473,341.10 × 878,547.40 - Step 4: Simplify right side
983,609.80x = 1,294,399,992,718.14 - Step 5: Solve for x
x = 1,294,399,992,718.14/983,609.80 - Step 6: Final answer
x = 1,315,968.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.