Finding the Fourth Proportional to 546,430.40, 818,770.80 and 346,392.80
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Solution
The fourth proportional to 546,430.40, 818,770.80 and 346,392.80 is: 519,034.65
Step by Step Solution
- Step 1: Write the proportion equation
546,430.40 : 818,770.80 = 346,392.80 : x - Step 2: Convert to fraction form
546,430.40/818,770.80 = 346,392.80/x - Step 3: Cross multiply
546,430.40x = 818,770.80 × 346,392.80 - Step 4: Simplify right side
546,430.40x = 283,616,309,970.24 - Step 5: Solve for x
x = 283,616,309,970.24/546,430.40 - Step 6: Final answer
x = 519,034.65
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1.5x scale
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.