Finding the Fourth Proportional to 411,552.45, 617,328.68 and 366,937.65
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Solution
The fourth proportional to 411,552.45, 617,328.68 and 366,937.65 is: 550,406.48
Step by Step Solution
- Step 1: Write the proportion equation
411,552.45 : 617,328.68 = 366,937.65 : x - Step 2: Convert to fraction form
411,552.45/617,328.68 = 366,937.65/x - Step 3: Cross multiply
411,552.45x = 617,328.68 × 366,937.65 - Step 4: Simplify right side
411,552.45x = 226,521,133,282.11 - Step 5: Solve for x
x = 226,521,133,282.11/411,552.45 - Step 6: Final answer
x = 550,406.48
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1.5x scale
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.