Finding the Fourth Proportional to 566,007.68, 781,102.70 and 311,358.88
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Solution
The fourth proportional to 566,007.68, 781,102.70 and 311,358.88 is: 429,681.91
Step by Step Solution
- Step 1: Write the proportion equation
566,007.68 : 781,102.70 = 311,358.88 : x - Step 2: Convert to fraction form
566,007.68/781,102.70 = 311,358.88/x - Step 3: Cross multiply
566,007.68x = 781,102.70 × 311,358.88 - Step 4: Simplify right side
566,007.68x = 243,203,261,836.98 - Step 5: Solve for x
x = 243,203,261,836.98/566,007.68 - Step 6: Final answer
x = 429,681.91
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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.