Finding the Fourth Proportional to 906,774.40, 1,251,298.56 and 504,340.48
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Solution
The fourth proportional to 906,774.40, 1,251,298.56 and 504,340.48 is: 695,961.99
Step by Step Solution
- Step 1: Write the proportion equation
906,774.40 : 1,251,298.56 = 504,340.48 : x - Step 2: Convert to fraction form
906,774.40/1,251,298.56 = 504,340.48/x - Step 3: Cross multiply
906,774.40x = 1,251,298.56 × 504,340.48 - Step 4: Simplify right side
906,774.40x = 631,080,516,373.71 - Step 5: Solve for x
x = 631,080,516,373.71/906,774.40 - Step 6: Final answer
x = 695,961.99
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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.