Finding the Fourth Proportional to 636,720.24, 878,703.48 and 350,235.12
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Solution
The fourth proportional to 636,720.24, 878,703.48 and 350,235.12 is: 483,340.72
Step by Step Solution
- Step 1: Write the proportion equation
636,720.24 : 878,703.48 = 350,235.12 : x - Step 2: Convert to fraction form
636,720.24/878,703.48 = 350,235.12/x - Step 3: Cross multiply
636,720.24x = 878,703.48 × 350,235.12 - Step 4: Simplify right side
636,720.24x = 307,752,818,762.22 - Step 5: Solve for x
x = 307,752,818,762.22/636,720.24 - Step 6: Final answer
x = 483,340.72
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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.