Finding the Fourth Proportional to 746,143.94, 1,029,720.71 and 564,540.58
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Solution
The fourth proportional to 746,143.94, 1,029,720.71 and 564,540.58 is: 779,097.82
Step by Step Solution
- Step 1: Write the proportion equation
746,143.94 : 1,029,720.71 = 564,540.58 : x - Step 2: Convert to fraction form
746,143.94/1,029,720.71 = 564,540.58/x - Step 3: Cross multiply
746,143.94x = 1,029,720.71 × 564,540.58 - Step 4: Simplify right side
746,143.94x = 581,319,118,890.11 - Step 5: Solve for x
x = 581,319,118,890.11/746,143.94 - Step 6: Final answer
x = 779,097.82
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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.