Finding the Fourth Proportional to 986,207.76, 1,479,459.51 and 346,398.68
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Solution
The fourth proportional to 986,207.76, 1,479,459.51 and 346,398.68 is: 519,649.96
Step by Step Solution
- Step 1: Write the proportion equation
986,207.76 : 1,479,459.51 = 346,398.68 : x - Step 2: Convert to fraction form
986,207.76/1,479,459.51 = 346,398.68/x - Step 3: Cross multiply
986,207.76x = 1,479,459.51 × 346,398.68 - Step 4: Simplify right side
986,207.76x = 512,482,825,076.10 - Step 5: Solve for x
x = 512,482,825,076.10/986,207.76 - Step 6: Final answer
x = 519,649.96
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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.