Finding the Fourth Proportional to 516,894.49, 713,377.99 and 313,016.31
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Solution
The fourth proportional to 516,894.49, 713,377.99 and 313,016.31 is: 432,001.02
Step by Step Solution
- Step 1: Write the proportion equation
516,894.49 : 713,377.99 = 313,016.31 : x - Step 2: Convert to fraction form
516,894.49/713,377.99 = 313,016.31/x - Step 3: Cross multiply
516,894.49x = 713,377.99 × 313,016.31 - Step 4: Simplify right side
516,894.49x = 223,298,945,698.76 - Step 5: Solve for x
x = 223,298,945,698.76/516,894.49 - Step 6: Final answer
x = 432,001.02
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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.