Finding the Fourth Proportional to 566,462.44, 781,721.70 and 311,807.08
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Solution
The fourth proportional to 566,462.44, 781,721.70 and 311,807.08 is: 430,295.72
Step by Step Solution
- Step 1: Write the proportion equation
566,462.44 : 781,721.70 = 311,807.08 : x - Step 2: Convert to fraction form
566,462.44/781,721.70 = 311,807.08/x - Step 3: Cross multiply
566,462.44x = 781,721.70 × 311,807.08 - Step 4: Simplify right side
566,462.44x = 243,746,360,649.64 - Step 5: Solve for x
x = 243,746,360,649.64/566,462.44 - Step 6: Final answer
x = 430,295.72
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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.