Finding the Fourth Proportional to 924,449.60, 1,387,135.20 and 525,396.80
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Solution
The fourth proportional to 924,449.60, 1,387,135.20 and 525,396.80 is: 788,357.09
Step by Step Solution
- Step 1: Write the proportion equation
924,449.60 : 1,387,135.20 = 525,396.80 : x - Step 2: Convert to fraction form
924,449.60/1,387,135.20 = 525,396.80/x - Step 3: Cross multiply
924,449.60x = 1,387,135.20 × 525,396.80 - Step 4: Simplify right side
924,449.60x = 728,796,395,247.36 - Step 5: Solve for x
x = 728,796,395,247.36/924,449.60 - Step 6: Final answer
x = 788,357.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.