Finding the Fourth Proportional to 812,434.24, 1,121,295.72 and 473,102.56
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Solution
The fourth proportional to 812,434.24, 1,121,295.72 and 473,102.56 is: 652,961.00
Step by Step Solution
- Step 1: Write the proportion equation
812,434.24 : 1,121,295.72 = 473,102.56 : x - Step 2: Convert to fraction form
812,434.24/1,121,295.72 = 473,102.56/x - Step 3: Cross multiply
812,434.24x = 1,121,295.72 × 473,102.56 - Step 4: Simplify right side
812,434.24x = 530,487,875,649.04 - Step 5: Solve for x
x = 530,487,875,649.04/812,434.24 - Step 6: Final answer
x = 652,961.00
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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.