Finding the Fourth Proportional to 860,840.58, 1,187,988.46 and 473,700.26
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Solution
The fourth proportional to 860,840.58, 1,187,988.46 and 473,700.26 is: 653,722.02
Step by Step Solution
- Step 1: Write the proportion equation
860,840.58 : 1,187,988.46 = 473,700.26 : x - Step 2: Convert to fraction form
860,840.58/1,187,988.46 = 473,700.26/x - Step 3: Cross multiply
860,840.58x = 1,187,988.46 × 473,700.26 - Step 4: Simplify right side
860,840.58x = 562,750,442,379.00 - Step 5: Solve for x
x = 562,750,442,379.00/860,840.58 - Step 6: Final answer
x = 653,722.02
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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.