Finding the Fourth Proportional to 559,537.98, 772,138.28 and 317,819.81
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Solution
The fourth proportional to 559,537.98, 772,138.28 and 317,819.81 is: 438,577.62
Step by Step Solution
- Step 1: Write the proportion equation
559,537.98 : 772,138.28 = 317,819.81 : x - Step 2: Convert to fraction form
559,537.98/772,138.28 = 317,819.81/x - Step 3: Cross multiply
559,537.98x = 772,138.28 × 317,819.81 - Step 4: Simplify right side
559,537.98x = 245,400,835,993.54 - Step 5: Solve for x
x = 245,400,835,993.54/559,537.98 - Step 6: Final answer
x = 438,577.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.