Finding the Fourth Proportional to 626,725.84, 864,824.52 and 358,448.08
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Solution
The fourth proportional to 626,725.84, 864,824.52 and 358,448.08 is: 494,625.67
Step by Step Solution
- Step 1: Write the proportion equation
626,725.84 : 864,824.52 = 358,448.08 : x - Step 2: Convert to fraction form
626,725.84/864,824.52 = 358,448.08/x - Step 3: Cross multiply
626,725.84x = 864,824.52 × 358,448.08 - Step 4: Simplify right side
626,725.84x = 309,994,688,730.92 - Step 5: Solve for x
x = 309,994,688,730.92/626,725.84 - Step 6: Final answer
x = 494,625.67
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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.