Finding the Fourth Proportional to 559,512.74, 838,671.50 and 319,109.06
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Solution
The fourth proportional to 559,512.74, 838,671.50 and 319,109.06 is: 478,322.75
Step by Step Solution
- Step 1: Write the proportion equation
559,512.74 : 838,671.50 = 319,109.06 : x - Step 2: Convert to fraction form
559,512.74/838,671.50 = 319,109.06/x - Step 3: Cross multiply
559,512.74x = 838,671.50 × 319,109.06 - Step 4: Simplify right side
559,512.74x = 267,627,672,418.25 - Step 5: Solve for x
x = 267,627,672,418.25/559,512.74 - Step 6: Final answer
x = 478,322.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.