Finding the Fourth Proportional to 658,108.11, 907,310.94 and 522,590.65
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Solution
The fourth proportional to 658,108.11, 907,310.94 and 522,590.65 is: 720,477.70
Step by Step Solution
- Step 1: Write the proportion equation
658,108.11 : 907,310.94 = 522,590.65 : x - Step 2: Convert to fraction form
658,108.11/907,310.94 = 522,590.65/x - Step 3: Cross multiply
658,108.11x = 907,310.94 × 522,590.65 - Step 4: Simplify right side
658,108.11x = 474,152,214,762.34 - Step 5: Solve for x
x = 474,152,214,762.34/658,108.11 - Step 6: Final answer
x = 720,477.70
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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.