Finding the Fourth Proportional to 924,924.80, 1,386,350.40 and 392,355.20
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Solution
The fourth proportional to 924,924.80, 1,386,350.40 and 392,355.20 is: 588,092.99
Step by Step Solution
- Step 1: Write the proportion equation
924,924.80 : 1,386,350.40 = 392,355.20 : x - Step 2: Convert to fraction form
924,924.80/1,386,350.40 = 392,355.20/x - Step 3: Cross multiply
924,924.80x = 1,386,350.40 × 392,355.20 - Step 4: Simplify right side
924,924.80x = 543,941,788,462.08 - Step 5: Solve for x
x = 543,941,788,462.08/924,924.80 - Step 6: Final answer
x = 588,092.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.