Finding the Fourth Proportional to 557,457.92, 769,306.24 and 302,823.68
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Solution
The fourth proportional to 557,457.92, 769,306.24 and 302,823.68 is: 417,904.45
Step by Step Solution
- Step 1: Write the proportion equation
557,457.92 : 769,306.24 = 302,823.68 : x - Step 2: Convert to fraction form
557,457.92/769,306.24 = 302,823.68/x - Step 3: Cross multiply
557,457.92x = 769,306.24 × 302,823.68 - Step 4: Simplify right side
557,457.92x = 232,964,146,643.76 - Step 5: Solve for x
x = 232,964,146,643.76/557,457.92 - Step 6: Final answer
x = 417,904.45
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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.