Finding the Fourth Proportional to 750,380.14, 1,125,283.16 and 371,170.76
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Solution
The fourth proportional to 750,380.14, 1,125,283.16 and 371,170.76 is: 556,614.15
Step by Step Solution
- Step 1: Write the proportion equation
750,380.14 : 1,125,283.16 = 371,170.76 : x - Step 2: Convert to fraction form
750,380.14/1,125,283.16 = 371,170.76/x - Step 3: Cross multiply
750,380.14x = 1,125,283.16 × 371,170.76 - Step 4: Simplify right side
750,380.14x = 417,672,205,712.40 - Step 5: Solve for x
x = 417,672,205,712.40/750,380.14 - Step 6: Final answer
x = 556,614.15
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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.