Finding the Fourth Proportional to 885,737.88, 1,328,817.67 and 286,698.99
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Solution
The fourth proportional to 885,737.88, 1,328,817.67 and 286,698.99 is: 430,116.74
Step by Step Solution
- Step 1: Write the proportion equation
885,737.88 : 1,328,817.67 = 286,698.99 : x - Step 2: Convert to fraction form
885,737.88/1,328,817.67 = 286,698.99/x - Step 3: Cross multiply
885,737.88x = 1,328,817.67 × 286,698.99 - Step 4: Simplify right side
885,737.88x = 380,970,688,149.47 - Step 5: Solve for x
x = 380,970,688,149.47/885,737.88 - Step 6: Final answer
x = 430,116.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.