Finding the Fourth Proportional to 784,699.35, 1,177,043.35 and 519,646.29
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Solution
The fourth proportional to 784,699.35, 1,177,043.35 and 519,646.29 is: 779,465.68
Step by Step Solution
- Step 1: Write the proportion equation
784,699.35 : 1,177,043.35 = 519,646.29 : x - Step 2: Convert to fraction form
784,699.35/1,177,043.35 = 519,646.29/x - Step 3: Cross multiply
784,699.35x = 1,177,043.35 × 519,646.29 - Step 4: Simplify right side
784,699.35x = 611,646,209,996.67 - Step 5: Solve for x
x = 611,646,209,996.67/784,699.35 - Step 6: Final answer
x = 779,465.68
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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.