Finding the Fourth Proportional to 553,309.80, 829,964.70 and 541,645.80
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Solution
The fourth proportional to 553,309.80, 829,964.70 and 541,645.80 is: 812,468.70
Step by Step Solution
- Step 1: Write the proportion equation
553,309.80 : 829,964.70 = 541,645.80 : x - Step 2: Convert to fraction form
553,309.80/829,964.70 = 541,645.80/x - Step 3: Cross multiply
553,309.80x = 829,964.70 × 541,645.80 - Step 4: Simplify right side
553,309.80x = 449,546,893,903.26 - Step 5: Solve for x
x = 449,546,893,903.26/553,309.80 - Step 6: Final answer
x = 812,468.70
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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.