Finding the Fourth Proportional to 865,125.48, 1,185,202.13 and 832,780.62
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Solution
The fourth proportional to 865,125.48, 1,185,202.13 and 832,780.62 is: 1,140,890.41
Step by Step Solution
- Step 1: Write the proportion equation
865,125.48 : 1,185,202.13 = 832,780.62 : x - Step 2: Convert to fraction form
865,125.48/1,185,202.13 = 832,780.62/x - Step 3: Cross multiply
865,125.48x = 1,185,202.13 × 832,780.62 - Step 4: Simplify right side
865,125.48x = 987,013,360,482.82 - Step 5: Solve for x
x = 987,013,360,482.82/865,125.48 - Step 6: Final answer
x = 1,140,890.41
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.