Finding the Fourth Proportional to 676,676.59, 933,777.99 and 386,276.62
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Solution
The fourth proportional to 676,676.59, 933,777.99 and 386,276.62 is: 533,041.35
Step by Step Solution
- Step 1: Write the proportion equation
676,676.59 : 933,777.99 = 386,276.62 : x - Step 2: Convert to fraction form
676,676.59/933,777.99 = 386,276.62/x - Step 3: Cross multiply
676,676.59x = 933,777.99 × 386,276.62 - Step 4: Simplify right side
676,676.59x = 360,696,605,807.59 - Step 5: Solve for x
x = 360,696,605,807.59/676,676.59 - Step 6: Final answer
x = 533,041.35
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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.