Finding the Fourth Proportional to 746,017.26, 1,119,356.67 and 390,946.88
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Solution
The fourth proportional to 746,017.26, 1,119,356.67 and 390,946.88 is: 586,593.66
Step by Step Solution
- Step 1: Write the proportion equation
746,017.26 : 1,119,356.67 = 390,946.88 : x - Step 2: Convert to fraction form
746,017.26/1,119,356.67 = 390,946.88/x - Step 3: Cross multiply
746,017.26x = 1,119,356.67 × 390,946.88 - Step 4: Simplify right side
746,017.26x = 437,608,992,146.91 - Step 5: Solve for x
x = 437,608,992,146.91/746,017.26 - Step 6: Final answer
x = 586,593.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.