Finding the Fourth Proportional to 986,742.41, 1,480,238.18 and 346,895.75
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Solution
The fourth proportional to 986,742.41, 1,480,238.18 and 346,895.75 is: 520,387.41
Step by Step Solution
- Step 1: Write the proportion equation
986,742.41 : 1,480,238.18 = 346,895.75 : x - Step 2: Convert to fraction form
986,742.41/1,480,238.18 = 346,895.75/x - Step 3: Cross multiply
986,742.41x = 1,480,238.18 × 346,895.75 - Step 4: Simplify right side
986,742.41x = 513,488,324,494.07 - Step 5: Solve for x
x = 513,488,324,494.07/986,742.41 - Step 6: Final answer
x = 520,387.41
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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.