Finding the Fourth Proportional to 566,332.56, 781,538.49 and 311,683.95
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Solution
The fourth proportional to 566,332.56, 781,538.49 and 311,683.95 is: 430,123.61
Step by Step Solution
- Step 1: Write the proportion equation
566,332.56 : 781,538.49 = 311,683.95 : x - Step 2: Convert to fraction form
566,332.56/781,538.49 = 311,683.95/x - Step 3: Cross multiply
566,332.56x = 781,538.49 × 311,683.95 - Step 4: Simplify right side
566,332.56x = 243,593,003,640.24 - Step 5: Solve for x
x = 243,593,003,640.24/566,332.56 - Step 6: Final answer
x = 430,123.61
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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.