Finding the Fourth Proportional to 627,029.68, 865,307.30 and 340,555.36
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Solution
The fourth proportional to 627,029.68, 865,307.30 and 340,555.36 is: 469,969.84
Step by Step Solution
- Step 1: Write the proportion equation
627,029.68 : 865,307.30 = 340,555.36 : x - Step 2: Convert to fraction form
627,029.68/865,307.30 = 340,555.36/x - Step 3: Cross multiply
627,029.68x = 865,307.30 × 340,555.36 - Step 4: Simplify right side
627,029.68x = 294,685,039,062.13 - Step 5: Solve for x
x = 294,685,039,062.13/627,029.68 - Step 6: Final answer
x = 469,969.84
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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.