Finding the Fourth Proportional to 612,570.24, 919,423.98 and 313,264.71
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Solution
The fourth proportional to 612,570.24, 919,423.98 and 313,264.71 is: 470,187.85
Step by Step Solution
- Step 1: Write the proportion equation
612,570.24 : 919,423.98 = 313,264.71 : x - Step 2: Convert to fraction form
612,570.24/919,423.98 = 313,264.71/x - Step 3: Cross multiply
612,570.24x = 919,423.98 × 313,264.71 - Step 4: Simplify right side
612,570.24x = 288,023,086,461.75 - Step 5: Solve for x
x = 288,023,086,461.75/612,570.24 - Step 6: Final answer
x = 470,187.85
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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.