Finding the Fourth Proportional to 525,130.74, 724,388.60 and 344,134.62
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Solution
The fourth proportional to 525,130.74, 724,388.60 and 344,134.62 is: 474,714.54
Step by Step Solution
- Step 1: Write the proportion equation
525,130.74 : 724,388.60 = 344,134.62 : x - Step 2: Convert to fraction form
525,130.74/724,388.60 = 344,134.62/x - Step 3: Cross multiply
525,130.74x = 724,388.60 × 344,134.62 - Step 4: Simplify right side
525,130.74x = 249,287,195,593.33 - Step 5: Solve for x
x = 249,287,195,593.33/525,130.74 - Step 6: Final answer
x = 474,714.54
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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.