Finding the Fourth Proportional to 554,354.99, 765,009.95 and 299,706.11
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Solution
The fourth proportional to 554,354.99, 765,009.95 and 299,706.11 is: 413,594.47
Step by Step Solution
- Step 1: Write the proportion equation
554,354.99 : 765,009.95 = 299,706.11 : x - Step 2: Convert to fraction form
554,354.99/765,009.95 = 299,706.11/x - Step 3: Cross multiply
554,354.99x = 765,009.95 × 299,706.11 - Step 4: Simplify right side
554,354.99x = 229,278,156,225.79 - Step 5: Solve for x
x = 229,278,156,225.79/554,354.99 - Step 6: Final answer
x = 413,594.47
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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.