Finding the Fourth Proportional to 873,802.36, 1,205,770.50 and 486,588.58
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Solution
The fourth proportional to 873,802.36, 1,205,770.50 and 486,588.58 is: 671,449.50
Step by Step Solution
- Step 1: Write the proportion equation
873,802.36 : 1,205,770.50 = 486,588.58 : x - Step 2: Convert to fraction form
873,802.36/1,205,770.50 = 486,588.58/x - Step 3: Cross multiply
873,802.36x = 1,205,770.50 × 486,588.58 - Step 4: Simplify right side
873,802.36x = 586,714,155,400.89 - Step 5: Solve for x
x = 586,714,155,400.89/873,802.36 - Step 6: Final answer
x = 671,449.50
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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.