Finding the Fourth Proportional to 860,950.76, 1,188,122.98 and 473,810.75
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Solution
The fourth proportional to 860,950.76, 1,188,122.98 and 473,810.75 is: 653,864.85
Step by Step Solution
- Step 1: Write the proportion equation
860,950.76 : 1,188,122.98 = 473,810.75 : x - Step 2: Convert to fraction form
860,950.76/1,188,122.98 = 473,810.75/x - Step 3: Cross multiply
860,950.76x = 1,188,122.98 × 473,810.75 - Step 4: Simplify right side
860,950.76x = 562,945,437,132.16 - Step 5: Solve for x
x = 562,945,437,132.16/860,950.76 - Step 6: Final answer
x = 653,864.85
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1.5x scale
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.