Finding the Fourth Proportional to 544,612.31, 751,574.64 and 302,894.99
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Solution
The fourth proportional to 544,612.31, 751,574.64 and 302,894.99 is: 418,000.45
Step by Step Solution
- Step 1: Write the proportion equation
544,612.31 : 751,574.64 = 302,894.99 : x - Step 2: Convert to fraction form
544,612.31/751,574.64 = 302,894.99/x - Step 3: Cross multiply
544,612.31x = 751,574.64 × 302,894.99 - Step 4: Simplify right side
544,612.31x = 227,648,189,309.18 - Step 5: Solve for x
x = 227,648,189,309.18/544,612.31 - Step 6: Final answer
x = 418,000.45
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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.