Finding the Fourth Proportional to 746,156.76, 1,029,404.04 and 459,178.62
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Solution
The fourth proportional to 746,156.76, 1,029,404.04 and 459,178.62 is: 633,486.62
Step by Step Solution
- Step 1: Write the proportion equation
746,156.76 : 1,029,404.04 = 459,178.62 : x - Step 2: Convert to fraction form
746,156.76/1,029,404.04 = 459,178.62/x - Step 3: Cross multiply
746,156.76x = 1,029,404.04 × 459,178.62 - Step 4: Simplify right side
746,156.76x = 472,680,326,509.63 - Step 5: Solve for x
x = 472,680,326,509.63/746,156.76 - Step 6: Final answer
x = 633,486.62
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1.5x scale
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.