Finding the Fourth Proportional to 585,053.70, 877,580.55 and 545,687.70
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Solution
The fourth proportional to 585,053.70, 877,580.55 and 545,687.70 is: 818,531.55
Step by Step Solution
- Step 1: Write the proportion equation
585,053.70 : 877,580.55 = 545,687.70 : x - Step 2: Convert to fraction form
585,053.70/877,580.55 = 545,687.70/x - Step 3: Cross multiply
585,053.70x = 877,580.55 × 545,687.70 - Step 4: Simplify right side
585,053.70x = 478,884,911,894.24 - Step 5: Solve for x
x = 478,884,911,894.24/585,053.70 - Step 6: Final answer
x = 818,531.55
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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.