Finding the Fourth Proportional to 860,658.19, 1,187,563.99 and 478,633.87
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Solution
The fourth proportional to 860,658.19, 1,187,563.99 and 478,633.87 is: 660,434.48
Step by Step Solution
- Step 1: Write the proportion equation
860,658.19 : 1,187,563.99 = 478,633.87 : x - Step 2: Convert to fraction form
860,658.19/1,187,563.99 = 478,633.87/x - Step 3: Cross multiply
860,658.19x = 1,187,563.99 × 478,633.87 - Step 4: Simplify right side
860,658.19x = 568,408,348,406.34 - Step 5: Solve for x
x = 568,408,348,406.34/860,658.19 - Step 6: Final answer
x = 660,434.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.