Finding the Fourth Proportional to 909,423.80, 1,364,135.70 and 708,657.20
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Solution
The fourth proportional to 909,423.80, 1,364,135.70 and 708,657.20 is: 1,062,985.80
Step by Step Solution
- Step 1: Write the proportion equation
909,423.80 : 1,364,135.70 = 708,657.20 : x - Step 2: Convert to fraction form
909,423.80/1,364,135.70 = 708,657.20/x - Step 3: Cross multiply
909,423.80x = 1,364,135.70 × 708,657.20 - Step 4: Simplify right side
909,423.80x = 966,704,585,582.04 - Step 5: Solve for x
x = 966,704,585,582.04/909,423.80 - Step 6: Final answer
x = 1,062,985.80
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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.