Finding the Fourth Proportional to 887,418.67, 1,331,726.94 and 347,607.99
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Solution
The fourth proportional to 887,418.67, 1,331,726.94 and 347,607.99 is: 521,646.59
Step by Step Solution
- Step 1: Write the proportion equation
887,418.67 : 1,331,726.94 = 347,607.99 : x - Step 2: Convert to fraction form
887,418.67/1,331,726.94 = 347,607.99/x - Step 3: Cross multiply
887,418.67x = 1,331,726.94 × 347,607.99 - Step 4: Simplify right side
887,418.67x = 462,918,917,314.60 - Step 5: Solve for x
x = 462,918,917,314.60/887,418.67 - Step 6: Final answer
x = 521,646.59
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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.