Finding the Fourth Proportional to 843,312.51, 1,163,780.46 and 461,331.09
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Solution
The fourth proportional to 843,312.51, 1,163,780.46 and 461,331.09 is: 636,641.93
Step by Step Solution
- Step 1: Write the proportion equation
843,312.51 : 1,163,780.46 = 461,331.09 : x - Step 2: Convert to fraction form
843,312.51/1,163,780.46 = 461,331.09/x - Step 3: Cross multiply
843,312.51x = 1,163,780.46 × 461,331.09 - Step 4: Simplify right side
843,312.51x = 536,888,108,132.50 - Step 5: Solve for x
x = 536,888,108,132.50/843,312.51 - Step 6: Final answer
x = 636,641.93
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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.