Finding the Fourth Proportional to 752,377.61, 1,128,882.93 and 468,305.75
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Solution
The fourth proportional to 752,377.61, 1,128,882.93 and 468,305.75 is: 702,655.63
Step by Step Solution
- Step 1: Write the proportion equation
752,377.61 : 1,128,882.93 = 468,305.75 : x - Step 2: Convert to fraction form
752,377.61/1,128,882.93 = 468,305.75/x - Step 3: Cross multiply
752,377.61x = 1,128,882.93 × 468,305.75 - Step 4: Simplify right side
752,377.61x = 528,662,368,261.91 - Step 5: Solve for x
x = 528,662,368,261.91/752,377.61 - Step 6: Final answer
x = 702,655.63
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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.