Finding the Fourth Proportional to 657,048.68, 906,727.17 and 355,242.68
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Solution
The fourth proportional to 657,048.68, 906,727.17 and 355,242.68 is: 490,234.89
Step by Step Solution
- Step 1: Write the proportion equation
657,048.68 : 906,727.17 = 355,242.68 : x - Step 2: Convert to fraction form
657,048.68/906,727.17 = 355,242.68/x - Step 3: Cross multiply
657,048.68x = 906,727.17 × 355,242.68 - Step 4: Simplify right side
657,048.68x = 322,108,189,899.62 - Step 5: Solve for x
x = 322,108,189,899.62/657,048.68 - Step 6: Final answer
x = 490,234.89
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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.