Finding the Fourth Proportional to 784,423.60, 1,174,256.16 and 709,575.28
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Solution
The fourth proportional to 784,423.60, 1,174,256.16 and 709,575.28 is: 1,062,210.70
Step by Step Solution
- Step 1: Write the proportion equation
784,423.60 : 1,174,256.16 = 709,575.28 : x - Step 2: Convert to fraction form
784,423.60/1,174,256.16 = 709,575.28/x - Step 3: Cross multiply
784,423.60x = 1,174,256.16 × 709,575.28 - Step 4: Simplify right side
784,423.60x = 833,223,143,523.73 - Step 5: Solve for x
x = 833,223,143,523.73/784,423.60 - Step 6: Final answer
x = 1,062,210.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.