Finding the Fourth Proportional to 566,285.01, 781,473.05 and 311,636.19
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Solution
The fourth proportional to 566,285.01, 781,473.05 and 311,636.19 is: 430,057.80
Step by Step Solution
- Step 1: Write the proportion equation
566,285.01 : 781,473.05 = 311,636.19 : x - Step 2: Convert to fraction form
566,285.01/781,473.05 = 311,636.19/x - Step 3: Cross multiply
566,285.01x = 781,473.05 × 311,636.19 - Step 4: Simplify right side
566,285.01x = 243,535,286,430.66 - Step 5: Solve for x
x = 243,535,286,430.66/566,285.01 - Step 6: Final answer
x = 430,057.80
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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.