Finding the Fourth Proportional to 513,095.76, 708,270.12 and 459,285.84
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Solution
The fourth proportional to 513,095.76, 708,270.12 and 459,285.84 is: 633,991.67
Step by Step Solution
- Step 1: Write the proportion equation
513,095.76 : 708,270.12 = 459,285.84 : x - Step 2: Convert to fraction form
513,095.76/708,270.12 = 459,285.84/x - Step 3: Cross multiply
513,095.76x = 708,270.12 × 459,285.84 - Step 4: Simplify right side
513,095.76x = 325,298,437,011.10 - Step 5: Solve for x
x = 325,298,437,011.10/513,095.76 - Step 6: Final answer
x = 633,991.67
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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.