Finding the Fourth Proportional to 596,319.84, 822,979.60 and 445,154.40
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Solution
The fourth proportional to 596,319.84, 822,979.60 and 445,154.40 is: 614,356.53
Step by Step Solution
- Step 1: Write the proportion equation
596,319.84 : 822,979.60 = 445,154.40 : x - Step 2: Convert to fraction form
596,319.84/822,979.60 = 445,154.40/x - Step 3: Cross multiply
596,319.84x = 822,979.60 × 445,154.40 - Step 4: Simplify right side
596,319.84x = 366,352,990,050.24 - Step 5: Solve for x
x = 366,352,990,050.24/596,319.84 - Step 6: Final answer
x = 614,356.53
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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.