Finding the Fourth Proportional to 895,860.05, 1,236,288.59 and 487,960.63
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Solution
The fourth proportional to 895,860.05, 1,236,288.59 and 487,960.63 is: 673,386.61
Step by Step Solution
- Step 1: Write the proportion equation
895,860.05 : 1,236,288.59 = 487,960.63 : x - Step 2: Convert to fraction form
895,860.05/1,236,288.59 = 487,960.63/x - Step 3: Cross multiply
895,860.05x = 1,236,288.59 × 487,960.63 - Step 4: Simplify right side
895,860.05x = 603,260,159,238.21 - Step 5: Solve for x
x = 603,260,159,238.21/895,860.05 - Step 6: Final answer
x = 673,386.61
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1.5x scale
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.