Finding the Fourth Proportional to 753,405.44, 1,039,710.69 and 409,248.08
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Solution
The fourth proportional to 753,405.44, 1,039,710.69 and 409,248.08 is: 564,768.42
Step by Step Solution
- Step 1: Write the proportion equation
753,405.44 : 1,039,710.69 = 409,248.08 : x - Step 2: Convert to fraction form
753,405.44/1,039,710.69 = 409,248.08/x - Step 3: Cross multiply
753,405.44x = 1,039,710.69 × 409,248.08 - Step 4: Simplify right side
753,405.44x = 425,499,603,637.98 - Step 5: Solve for x
x = 425,499,603,637.98/753,405.44 - Step 6: Final answer
x = 564,768.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.