Finding the Fourth Proportional to 936,533.28, 1,292,415.84 and 506,813.43
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Solution
The fourth proportional to 936,533.28, 1,292,415.84 and 506,813.43 is: 699,402.49
Step by Step Solution
- Step 1: Write the proportion equation
936,533.28 : 1,292,415.84 = 506,813.43 : x - Step 2: Convert to fraction form
936,533.28/1,292,415.84 = 506,813.43/x - Step 3: Cross multiply
936,533.28x = 1,292,415.84 × 506,813.43 - Step 4: Simplify right side
936,533.28x = 655,013,704,856.73 - Step 5: Solve for x
x = 655,013,704,856.73/936,533.28 - Step 6: Final answer
x = 699,402.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.