Finding the Fourth Proportional to 648,001.99, 894,243.30 and 361,522.13
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Solution
The fourth proportional to 648,001.99, 894,243.30 and 361,522.13 is: 498,900.85
Step by Step Solution
- Step 1: Write the proportion equation
648,001.99 : 894,243.30 = 361,522.13 : x - Step 2: Convert to fraction form
648,001.99/894,243.30 = 361,522.13/x - Step 3: Cross multiply
648,001.99x = 894,243.30 × 361,522.13 - Step 4: Simplify right side
648,001.99x = 323,288,742,554.23 - Step 5: Solve for x
x = 323,288,742,554.23/648,001.99 - Step 6: Final answer
x = 498,900.85
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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.