Finding the Fourth Proportional to 513,443.62, 708,316.45 and 332,214.63
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Solution
The fourth proportional to 513,443.62, 708,316.45 and 332,214.63 is: 458,303.65
Step by Step Solution
- Step 1: Write the proportion equation
513,443.62 : 708,316.45 = 332,214.63 : x - Step 2: Convert to fraction form
513,443.62/708,316.45 = 332,214.63/x - Step 3: Cross multiply
513,443.62x = 708,316.45 × 332,214.63 - Step 4: Simplify right side
513,443.62x = 235,313,087,359.66 - Step 5: Solve for x
x = 235,313,087,359.66/513,443.62 - Step 6: Final answer
x = 458,303.65
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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.