Finding the Fourth Proportional to 718,203.40, 1,078,525.35 and 479,848.99
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Solution
The fourth proportional to 718,203.40, 1,078,525.35 and 479,848.99 is: 720,588.76
Step by Step Solution
- Step 1: Write the proportion equation
718,203.40 : 1,078,525.35 = 479,848.99 : x - Step 2: Convert to fraction form
718,203.40/1,078,525.35 = 479,848.99/x - Step 3: Cross multiply
718,203.40x = 1,078,525.35 × 479,848.99 - Step 4: Simplify right side
718,203.40x = 517,529,297,529.04 - Step 5: Solve for x
x = 517,529,297,529.04/718,203.40 - Step 6: Final answer
x = 720,588.76
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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.