Finding the Fourth Proportional to 875,532.94, 1,208,423.32 and 553,037.92
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Solution
The fourth proportional to 875,532.94, 1,208,423.32 and 553,037.92 is: 763,310.99
Step by Step Solution
- Step 1: Write the proportion equation
875,532.94 : 1,208,423.32 = 553,037.92 : x - Step 2: Convert to fraction form
875,532.94/1,208,423.32 = 553,037.92/x - Step 3: Cross multiply
875,532.94x = 1,208,423.32 × 553,037.92 - Step 4: Simplify right side
875,532.94x = 668,303,919,372.29 - Step 5: Solve for x
x = 668,303,919,372.29/875,532.94 - Step 6: Final answer
x = 763,310.99
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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.