Finding the Fourth Proportional to 947,808.66, 1,415,660.15 and 857,711.70
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Solution
The fourth proportional to 947,808.66, 1,415,660.15 and 857,711.70 is: 1,281,090.08
Step by Step Solution
- Step 1: Write the proportion equation
947,808.66 : 1,415,660.15 = 857,711.70 : x - Step 2: Convert to fraction form
947,808.66/1,415,660.15 = 857,711.70/x - Step 3: Cross multiply
947,808.66x = 1,415,660.15 × 857,711.70 - Step 4: Simplify right side
947,808.66x = 1,214,228,269,590.20 - Step 5: Solve for x
x = 1,214,228,269,590.20/947,808.66 - Step 6: Final answer
x = 1,281,090.08
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.