Finding the Fourth Proportional to 904,355.76, 1,248,110.10 and 517,207.08
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Solution
The fourth proportional to 904,355.76, 1,248,110.10 and 517,207.08 is: 713,802.48
Step by Step Solution
- Step 1: Write the proportion equation
904,355.76 : 1,248,110.10 = 517,207.08 : x - Step 2: Convert to fraction form
904,355.76/1,248,110.10 = 517,207.08/x - Step 3: Cross multiply
904,355.76x = 1,248,110.10 × 517,207.08 - Step 4: Simplify right side
904,355.76x = 645,531,380,339.51 - Step 5: Solve for x
x = 645,531,380,339.51/904,355.76 - Step 6: Final answer
x = 713,802.48
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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.