Finding the Fourth Proportional to 982,883.98, 1,356,423.52 and 553,191.94
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Solution
The fourth proportional to 982,883.98, 1,356,423.52 and 553,191.94 is: 763,429.43
Step by Step Solution
- Step 1: Write the proportion equation
982,883.98 : 1,356,423.52 = 553,191.94 : x - Step 2: Convert to fraction form
982,883.98/1,356,423.52 = 553,191.94/x - Step 3: Cross multiply
982,883.98x = 1,356,423.52 × 553,191.94 - Step 4: Simplify right side
982,883.98x = 750,362,558,490.43 - Step 5: Solve for x
x = 750,362,558,490.43/982,883.98 - Step 6: Final answer
x = 763,429.43
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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.