Finding the Fourth Proportional to 636,904.91, 878,192.44 and 507,742.44
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Solution
The fourth proportional to 636,904.91, 878,192.44 and 507,742.44 is: 700,097.56
Step by Step Solution
- Step 1: Write the proportion equation
636,904.91 : 878,192.44 = 507,742.44 : x - Step 2: Convert to fraction form
636,904.91/878,192.44 = 507,742.44/x - Step 3: Cross multiply
636,904.91x = 878,192.44 × 507,742.44 - Step 4: Simplify right side
636,904.91x = 445,895,572,275.15 - Step 5: Solve for x
x = 445,895,572,275.15/636,904.91 - Step 6: Final answer
x = 700,097.56
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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.