Finding the Fourth Proportional to 1,007,752.91, 1,390,880.09 and 578,175.08
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Solution
The fourth proportional to 1,007,752.91, 1,390,880.09 and 578,175.08 is: 797,985.50
Step by Step Solution
- Step 1: Write the proportion equation
1,007,752.91 : 1,390,880.09 = 578,175.08 : x - Step 2: Convert to fraction form
1,007,752.91/1,390,880.09 = 578,175.08/x - Step 3: Cross multiply
1,007,752.91x = 1,390,880.09 × 578,175.08 - Step 4: Simplify right side
1,007,752.91x = 804,172,201,797.19 - Step 5: Solve for x
x = 804,172,201,797.19/1,007,752.91 - Step 6: Final answer
x = 797,985.50
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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.