Finding the Fourth Proportional to 876,385.50, 1,209,411.99 and 473,977.50
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Solution
The fourth proportional to 876,385.50, 1,209,411.99 and 473,977.50 is: 654,088.95
Step by Step Solution
- Step 1: Write the proportion equation
876,385.50 : 1,209,411.99 = 473,977.50 : x - Step 2: Convert to fraction form
876,385.50/1,209,411.99 = 473,977.50/x - Step 3: Cross multiply
876,385.50x = 1,209,411.99 × 473,977.50 - Step 4: Simplify right side
876,385.50x = 573,234,071,490.23 - Step 5: Solve for x
x = 573,234,071,490.23/876,385.50 - Step 6: Final answer
x = 654,088.95
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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.