Finding the Fourth Proportional to 931,509.57, 1,396,909.74 and 611,575.87
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Solution
The fourth proportional to 931,509.57, 1,396,909.74 and 611,575.87 is: 917,130.99
Step by Step Solution
- Step 1: Write the proportion equation
931,509.57 : 1,396,909.74 = 611,575.87 : x - Step 2: Convert to fraction form
931,509.57/1,396,909.74 = 611,575.87/x - Step 3: Cross multiply
931,509.57x = 1,396,909.74 × 611,575.87 - Step 4: Simplify right side
931,509.57x = 854,316,289,551.97 - Step 5: Solve for x
x = 854,316,289,551.97/931,509.57 - Step 6: Final answer
x = 917,130.99
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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.