Finding the Fourth Proportional to 890,395.39, 1,228,746.68 and 482,493.67
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Solution
The fourth proportional to 890,395.39, 1,228,746.68 and 482,493.67 is: 665,841.83
Step by Step Solution
- Step 1: Write the proportion equation
890,395.39 : 1,228,746.68 = 482,493.67 : x - Step 2: Convert to fraction form
890,395.39/1,228,746.68 = 482,493.67/x - Step 3: Cross multiply
890,395.39x = 1,228,746.68 × 482,493.67 - Step 4: Simplify right side
890,395.39x = 592,862,495,133.52 - Step 5: Solve for x
x = 592,862,495,133.52/890,395.39 - Step 6: Final answer
x = 665,841.83
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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.