Finding the Fourth Proportional to 752,019.68, 1,129,030.68 and 436,702.88
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Solution
The fourth proportional to 752,019.68, 1,129,030.68 and 436,702.88 is: 655,635.70
Step by Step Solution
- Step 1: Write the proportion equation
752,019.68 : 1,129,030.68 = 436,702.88 : x - Step 2: Convert to fraction form
752,019.68/1,129,030.68 = 436,702.88/x - Step 3: Cross multiply
752,019.68x = 1,129,030.68 × 436,702.88 - Step 4: Simplify right side
752,019.68x = 493,050,943,919.21 - Step 5: Solve for x
x = 493,050,943,919.21/752,019.68 - Step 6: Final answer
x = 655,635.70
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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.