Finding the Fourth Proportional to 1,021,042.84, 1,531,746.66 and 347,088.74
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Solution
The fourth proportional to 1,021,042.84, 1,531,746.66 and 347,088.74 is: 520,695.11
Step by Step Solution
- Step 1: Write the proportion equation
1,021,042.84 : 1,531,746.66 = 347,088.74 : x - Step 2: Convert to fraction form
1,021,042.84/1,531,746.66 = 347,088.74/x - Step 3: Cross multiply
1,021,042.84x = 1,531,746.66 × 347,088.74 - Step 4: Simplify right side
1,021,042.84x = 531,652,018,218.61 - Step 5: Solve for x
x = 531,652,018,218.61/1,021,042.84 - Step 6: Final answer
x = 520,695.11
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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.