Finding the Fourth Proportional to 802,547.14, 1,107,507.99 and 439,964.41
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Solution
The fourth proportional to 802,547.14, 1,107,507.99 and 439,964.41 is: 607,147.01
Step by Step Solution
- Step 1: Write the proportion equation
802,547.14 : 1,107,507.99 = 439,964.41 : x - Step 2: Convert to fraction form
802,547.14/1,107,507.99 = 439,964.41/x - Step 3: Cross multiply
802,547.14x = 1,107,507.99 × 439,964.41 - Step 4: Simplify right side
802,547.14x = 487,264,099,390.64 - Step 5: Solve for x
x = 487,264,099,390.64/802,547.14 - Step 6: Final answer
x = 607,147.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.