Finding the Fourth Proportional to 612,056.13, 844,583.67 and 340,106.79
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Solution
The fourth proportional to 612,056.13, 844,583.67 and 340,106.79 is: 469,317.48
Step by Step Solution
- Step 1: Write the proportion equation
612,056.13 : 844,583.67 = 340,106.79 : x - Step 2: Convert to fraction form
612,056.13/844,583.67 = 340,106.79/x - Step 3: Cross multiply
612,056.13x = 844,583.67 × 340,106.79 - Step 4: Simplify right side
612,056.13x = 287,248,640,890.12 - Step 5: Solve for x
x = 287,248,640,890.12/612,056.13 - Step 6: Final answer
x = 469,317.48
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1.5x scale
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.