Finding the Fourth Proportional to 860,341.97, 1,187,285.63 and 473,174.34
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Solution
The fourth proportional to 860,341.97, 1,187,285.63 and 473,174.34 is: 652,988.13
Step by Step Solution
- Step 1: Write the proportion equation
860,341.97 : 1,187,285.63 = 473,174.34 : x - Step 2: Convert to fraction form
860,341.97/1,187,285.63 = 473,174.34/x - Step 3: Cross multiply
860,341.97x = 1,187,285.63 × 473,174.34 - Step 4: Simplify right side
860,341.97x = 561,793,092,000.86 - Step 5: Solve for x
x = 561,793,092,000.86/860,341.97 - Step 6: Final answer
x = 652,988.13
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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.