Finding the Fourth Proportional to 912,437.14, 1,259,053.41 and 504,483.86
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Solution
The fourth proportional to 912,437.14, 1,259,053.41 and 504,483.86 is: 696,126.99
Step by Step Solution
- Step 1: Write the proportion equation
912,437.14 : 1,259,053.41 = 504,483.86 : x - Step 2: Convert to fraction form
912,437.14/1,259,053.41 = 504,483.86/x - Step 3: Cross multiply
912,437.14x = 1,259,053.41 × 504,483.86 - Step 4: Simplify right side
912,437.14x = 635,172,124,222.96 - Step 5: Solve for x
x = 635,172,124,222.96/912,437.14 - Step 6: Final answer
x = 696,126.99
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1.5x scale
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.