Finding the Fourth Proportional to 581,983.70, 872,721.05 and 293,617.94
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Solution
The fourth proportional to 581,983.70, 872,721.05 and 293,617.94 is: 440,298.50
Step by Step Solution
- Step 1: Write the proportion equation
581,983.70 : 872,721.05 = 293,617.94 : x - Step 2: Convert to fraction form
581,983.70/872,721.05 = 293,617.94/x - Step 3: Cross multiply
581,983.70x = 872,721.05 × 293,617.94 - Step 4: Simplify right side
581,983.70x = 256,246,552,715.54 - Step 5: Solve for x
x = 256,246,552,715.54/581,983.70 - Step 6: Final answer
x = 440,298.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.