Finding the Fourth Proportional to 761,409.08, 1,051,068.70 and 513,105.48
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Solution
The fourth proportional to 761,409.08, 1,051,068.70 and 513,105.48 is: 708,304.02
Step by Step Solution
- Step 1: Write the proportion equation
761,409.08 : 1,051,068.70 = 513,105.48 : x - Step 2: Convert to fraction form
761,409.08/1,051,068.70 = 513,105.48/x - Step 3: Cross multiply
761,409.08x = 1,051,068.70 × 513,105.48 - Step 4: Simplify right side
761,409.08x = 539,309,109,826.48 - Step 5: Solve for x
x = 539,309,109,826.48/761,409.08 - Step 6: Final answer
x = 708,304.02
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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.