Finding the Fourth Proportional to 860,420.51, 1,187,414.18 and 473,271.95
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Solution
The fourth proportional to 860,420.51, 1,187,414.18 and 473,271.95 is: 653,133.92
Step by Step Solution
- Step 1: Write the proportion equation
860,420.51 : 1,187,414.18 = 473,271.95 : x - Step 2: Convert to fraction form
860,420.51/1,187,414.18 = 473,271.95/x - Step 3: Cross multiply
860,420.51x = 1,187,414.18 × 473,271.95 - Step 4: Simplify right side
860,420.51x = 561,969,824,426.25 - Step 5: Solve for x
x = 561,969,824,426.25/860,420.51 - Step 6: Final answer
x = 653,133.92
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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.