Finding the Fourth Proportional to 656,973.48, 906,555.42 and 484,982.76
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Solution
The fourth proportional to 656,973.48, 906,555.42 and 484,982.76 is: 669,226.02
Step by Step Solution
- Step 1: Write the proportion equation
656,973.48 : 906,555.42 = 484,982.76 : x - Step 2: Convert to fraction form
656,973.48/906,555.42 = 484,982.76/x - Step 3: Cross multiply
656,973.48x = 906,555.42 × 484,982.76 - Step 4: Simplify right side
656,973.48x = 439,663,749,684.56 - Step 5: Solve for x
x = 439,663,749,684.56/656,973.48 - Step 6: Final answer
x = 669,226.02
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1.5x scale
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.