Finding the Fourth Proportional to 717,983.52, 990,772.74 and 395,675.62
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Solution
The fourth proportional to 717,983.52, 990,772.74 and 395,675.62 is: 546,007.82
Step by Step Solution
- Step 1: Write the proportion equation
717,983.52 : 990,772.74 = 395,675.62 : x - Step 2: Convert to fraction form
717,983.52/990,772.74 = 395,675.62/x - Step 3: Cross multiply
717,983.52x = 990,772.74 × 395,675.62 - Step 4: Simplify right side
717,983.52x = 392,024,618,178.60 - Step 5: Solve for x
x = 392,024,618,178.60/717,983.52 - Step 6: Final answer
x = 546,007.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.