Finding the Fourth Proportional to 578,963.82, 868,447.74 and 409,973.02
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Solution
The fourth proportional to 578,963.82, 868,447.74 and 409,973.02 is: 614,960.95
Step by Step Solution
- Step 1: Write the proportion equation
578,963.82 : 868,447.74 = 409,973.02 : x - Step 2: Convert to fraction form
578,963.82/868,447.74 = 409,973.02/x - Step 3: Cross multiply
578,963.82x = 868,447.74 × 409,973.02 - Step 4: Simplify right side
578,963.82x = 356,040,142,679.98 - Step 5: Solve for x
x = 356,040,142,679.98/578,963.82 - Step 6: Final answer
x = 614,960.95
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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.