Finding the Fourth Proportional to 566,006.68, 781,101.32 and 311,357.88
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Solution
The fourth proportional to 566,006.68, 781,101.32 and 311,357.88 is: 429,680.53
Step by Step Solution
- Step 1: Write the proportion equation
566,006.68 : 781,101.32 = 311,357.88 : x - Step 2: Convert to fraction form
566,006.68/781,101.32 = 311,357.88/x - Step 3: Cross multiply
566,006.68x = 781,101.32 × 311,357.88 - Step 4: Simplify right side
566,006.68x = 243,202,051,060.40 - Step 5: Solve for x
x = 243,202,051,060.40/566,006.68 - Step 6: Final answer
x = 429,680.53
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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.