Finding the Fourth Proportional to 554,576.84, 765,316.55 and 299,928.03
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Solution
The fourth proportional to 554,576.84, 765,316.55 and 299,928.03 is: 413,900.95
Step by Step Solution
- Step 1: Write the proportion equation
554,576.84 : 765,316.55 = 299,928.03 : x - Step 2: Convert to fraction form
554,576.84/765,316.55 = 299,928.03/x - Step 3: Cross multiply
554,576.84x = 765,316.55 × 299,928.03 - Step 4: Simplify right side
554,576.84x = 229,539,881,341.31 - Step 5: Solve for x
x = 229,539,881,341.31/554,576.84 - Step 6: Final answer
x = 413,900.95
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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.