Finding the Fourth Proportional to 837,970.21, 1,156,424.97 and 475,409.35
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Solution
The fourth proportional to 837,970.21, 1,156,424.97 and 475,409.35 is: 656,079.70
Step by Step Solution
- Step 1: Write the proportion equation
837,970.21 : 1,156,424.97 = 475,409.35 : x - Step 2: Convert to fraction form
837,970.21/1,156,424.97 = 475,409.35/x - Step 3: Cross multiply
837,970.21x = 1,156,424.97 × 475,409.35 - Step 4: Simplify right side
837,970.21x = 549,775,243,311.47 - Step 5: Solve for x
x = 549,775,243,311.47/837,970.21 - Step 6: Final answer
x = 656,079.70
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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.