Finding the Fourth Proportional to 553,589.84, 828,501.36 and 340,245.26
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Solution
The fourth proportional to 553,589.84, 828,501.36 and 340,245.26 is: 509,210.32
Step by Step Solution
- Step 1: Write the proportion equation
553,589.84 : 828,501.36 = 340,245.26 : x - Step 2: Convert to fraction form
553,589.84/828,501.36 = 340,245.26/x - Step 3: Cross multiply
553,589.84x = 828,501.36 × 340,245.26 - Step 4: Simplify right side
553,589.84x = 281,893,660,245.89 - Step 5: Solve for x
x = 281,893,660,245.89/553,589.84 - Step 6: Final answer
x = 509,210.32
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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.