Finding the Fourth Proportional to 823,038.63, 1,135,574.28 and 564,994.50
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Solution
The fourth proportional to 823,038.63, 1,135,574.28 and 564,994.50 is: 779,542.05
Step by Step Solution
- Step 1: Write the proportion equation
823,038.63 : 1,135,574.28 = 564,994.50 : x - Step 2: Convert to fraction form
823,038.63/1,135,574.28 = 564,994.50/x - Step 3: Cross multiply
823,038.63x = 1,135,574.28 × 564,994.50 - Step 4: Simplify right side
823,038.63x = 641,593,222,541.46 - Step 5: Solve for x
x = 641,593,222,541.46/823,038.63 - Step 6: Final answer
x = 779,542.05
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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.