Finding the Fourth Proportional to 559,448.43, 772,011.97 and 317,699.07
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Solution
The fourth proportional to 559,448.43, 772,011.97 and 317,699.07 is: 438,409.46
Step by Step Solution
- Step 1: Write the proportion equation
559,448.43 : 772,011.97 = 317,699.07 : x - Step 2: Convert to fraction form
559,448.43/772,011.97 = 317,699.07/x - Step 3: Cross multiply
559,448.43x = 772,011.97 × 317,699.07 - Step 4: Simplify right side
559,448.43x = 245,267,484,897.87 - Step 5: Solve for x
x = 245,267,484,897.87/559,448.43 - Step 6: Final answer
x = 438,409.46
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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.