Finding the Fourth Proportional to 553,645.13, 763,811.57 and 349,619.90
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Solution
The fourth proportional to 553,645.13, 763,811.57 and 349,619.90 is: 482,337.35
Step by Step Solution
- Step 1: Write the proportion equation
553,645.13 : 763,811.57 = 349,619.90 : x - Step 2: Convert to fraction form
553,645.13/763,811.57 = 349,619.90/x - Step 3: Cross multiply
553,645.13x = 763,811.57 × 349,619.90 - Step 4: Simplify right side
553,645.13x = 267,043,721,777.24 - Step 5: Solve for x
x = 267,043,721,777.24/553,645.13 - Step 6: Final answer
x = 482,337.35
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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.