Finding the Fourth Proportional to 857,547.52, 1,183,957.68 and 551,766.08
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Solution
The fourth proportional to 857,547.52, 1,183,957.68 and 551,766.08 is: 761,785.99
Step by Step Solution
- Step 1: Write the proportion equation
857,547.52 : 1,183,957.68 = 551,766.08 : x - Step 2: Convert to fraction form
857,547.52/1,183,957.68 = 551,766.08/x - Step 3: Cross multiply
857,547.52x = 1,183,957.68 × 551,766.08 - Step 4: Simplify right side
857,547.52x = 653,267,687,979.49 - Step 5: Solve for x
x = 653,267,687,979.49/857,547.52 - Step 6: Final answer
x = 761,785.99
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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.