Finding the Fourth Proportional to 779,107.28, 1,074,985.43 and 473,175.14
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Solution
The fourth proportional to 779,107.28, 1,074,985.43 and 473,175.14 is: 652,870.78
Step by Step Solution
- Step 1: Write the proportion equation
779,107.28 : 1,074,985.43 = 473,175.14 : x - Step 2: Convert to fraction form
779,107.28/1,074,985.43 = 473,175.14/x - Step 3: Cross multiply
779,107.28x = 1,074,985.43 × 473,175.14 - Step 4: Simplify right side
779,107.28x = 508,656,373,597.41 - Step 5: Solve for x
x = 508,656,373,597.41/779,107.28 - Step 6: Final answer
x = 652,870.78
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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.