Finding the Fourth Proportional to 883,721.19, 1,324,346.02 and 478,037.55
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Solution
The fourth proportional to 883,721.19, 1,324,346.02 and 478,037.55 is: 716,387.85
Step by Step Solution
- Step 1: Write the proportion equation
883,721.19 : 1,324,346.02 = 478,037.55 : x - Step 2: Convert to fraction form
883,721.19/1,324,346.02 = 478,037.55/x - Step 3: Cross multiply
883,721.19x = 1,324,346.02 × 478,037.55 - Step 4: Simplify right side
883,721.19x = 633,087,126,753.05 - Step 5: Solve for x
x = 633,087,126,753.05/883,721.19 - Step 6: Final answer
x = 716,387.85
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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.