Finding the Fourth Proportional to 817,894.26, 1,226,650.64 and 312,269.58
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Solution
The fourth proportional to 817,894.26, 1,226,650.64 and 312,269.58 is: 468,331.54
Step by Step Solution
- Step 1: Write the proportion equation
817,894.26 : 1,226,650.64 = 312,269.58 : x - Step 2: Convert to fraction form
817,894.26/1,226,650.64 = 312,269.58/x - Step 3: Cross multiply
817,894.26x = 1,226,650.64 × 312,269.58 - Step 4: Simplify right side
817,894.26x = 383,045,678,598.18 - Step 5: Solve for x
x = 383,045,678,598.18/817,894.26 - Step 6: Final answer
x = 468,331.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.