Finding the Fourth Proportional to 626,720.91, 864,874.88 and 340,240.59
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Solution
The fourth proportional to 626,720.91, 864,874.88 and 340,240.59 is: 469,532.02
Step by Step Solution
- Step 1: Write the proportion equation
626,720.91 : 864,874.88 = 340,240.59 : x - Step 2: Convert to fraction form
626,720.91/864,874.88 = 340,240.59/x - Step 3: Cross multiply
626,720.91x = 864,874.88 × 340,240.59 - Step 4: Simplify right side
626,720.91x = 294,265,537,746.18 - Step 5: Solve for x
x = 294,265,537,746.18/626,720.91 - Step 6: Final answer
x = 469,532.02
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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.