Finding the Fourth Proportional to 741,900.24, 1,023,828.12 and 402,368.40
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Solution
The fourth proportional to 741,900.24, 1,023,828.12 and 402,368.40 is: 555,271.53
Step by Step Solution
- Step 1: Write the proportion equation
741,900.24 : 1,023,828.12 = 402,368.40 : x - Step 2: Convert to fraction form
741,900.24/1,023,828.12 = 402,368.40/x - Step 3: Cross multiply
741,900.24x = 1,023,828.12 × 402,368.40 - Step 4: Simplify right side
741,900.24x = 411,956,082,519.41 - Step 5: Solve for x
x = 411,956,082,519.41/741,900.24 - Step 6: Final answer
x = 555,271.53
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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.