Finding the Fourth Proportional to 648,000.99, 894,241.92 and 361,521.13
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Solution
The fourth proportional to 648,000.99, 894,241.92 and 361,521.13 is: 498,899.47
Step by Step Solution
- Step 1: Write the proportion equation
648,000.99 : 894,241.92 = 361,521.13 : x - Step 2: Convert to fraction form
648,000.99/894,241.92 = 361,521.13/x - Step 3: Cross multiply
648,000.99x = 894,241.92 × 361,521.13 - Step 4: Simplify right side
648,000.99x = 323,287,349,411.77 - Step 5: Solve for x
x = 323,287,349,411.77/648,000.99 - Step 6: Final answer
x = 498,899.47
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1.5x scale
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.