Finding the Fourth Proportional to 516,898.76, 713,022.74 and 322,970.12
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Solution
The fourth proportional to 516,898.76, 713,022.74 and 322,970.12 is: 445,512.85
Step by Step Solution
- Step 1: Write the proportion equation
516,898.76 : 713,022.74 = 322,970.12 : x - Step 2: Convert to fraction form
516,898.76/713,022.74 = 322,970.12/x - Step 3: Cross multiply
516,898.76x = 713,022.74 × 322,970.12 - Step 4: Simplify right side
516,898.76x = 230,285,039,900.53 - Step 5: Solve for x
x = 230,285,039,900.53/516,898.76 - Step 6: Final answer
x = 445,512.85
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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.