Finding the Fourth Proportional to 713,665.99, 1,070,696.58 and 329,532.08
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Solution
The fourth proportional to 713,665.99, 1,070,696.58 and 329,532.08 is: 494,389.35
Step by Step Solution
- Step 1: Write the proportion equation
713,665.99 : 1,070,696.58 = 329,532.08 : x - Step 2: Convert to fraction form
713,665.99/1,070,696.58 = 329,532.08/x - Step 3: Cross multiply
713,665.99x = 1,070,696.58 × 329,532.08 - Step 4: Simplify right side
713,665.99x = 352,828,864,467.06 - Step 5: Solve for x
x = 352,828,864,467.06/713,665.99 - Step 6: Final answer
x = 494,389.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.