Finding the Fourth Proportional to 957,909.13, 1,435,237.70 and 578,031.68
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Solution
The fourth proportional to 957,909.13, 1,435,237.70 and 578,031.68 is: 866,066.35
Step by Step Solution
- Step 1: Write the proportion equation
957,909.13 : 1,435,237.70 = 578,031.68 : x - Step 2: Convert to fraction form
957,909.13/1,435,237.70 = 578,031.68/x - Step 3: Cross multiply
957,909.13x = 1,435,237.70 × 578,031.68 - Step 4: Simplify right side
957,909.13x = 829,612,859,628.27 - Step 5: Solve for x
x = 829,612,859,628.27/957,909.13 - Step 6: Final answer
x = 866,066.35
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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.