Finding the Fourth Proportional to 838,006.70, 1,156,475.48 and 475,445.84
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Solution
The fourth proportional to 838,006.70, 1,156,475.48 and 475,445.84 is: 656,130.14
Step by Step Solution
- Step 1: Write the proportion equation
838,006.70 : 1,156,475.48 = 475,445.84 : x - Step 2: Convert to fraction form
838,006.70/1,156,475.48 = 475,445.84/x - Step 3: Cross multiply
838,006.70x = 1,156,475.48 × 475,445.84 - Step 4: Simplify right side
838,006.70x = 549,841,447,868.40 - Step 5: Solve for x
x = 549,841,447,868.40/838,006.70 - Step 6: Final answer
x = 656,130.14
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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.