Finding the Fourth Proportional to 982,884.22, 1,356,423.84 and 553,192.18
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Solution
The fourth proportional to 982,884.22, 1,356,423.84 and 553,192.18 is: 763,429.76
Step by Step Solution
- Step 1: Write the proportion equation
982,884.22 : 1,356,423.84 = 553,192.18 : x - Step 2: Convert to fraction form
982,884.22/1,356,423.84 = 553,192.18/x - Step 3: Cross multiply
982,884.22x = 1,356,423.84 × 553,192.18 - Step 4: Simplify right side
982,884.22x = 750,363,061,053.57 - Step 5: Solve for x
x = 750,363,061,053.57/982,884.22 - Step 6: Final answer
x = 763,429.76
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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.