Finding the Fourth Proportional to 784,226.90, 1,176,340.80 and 384,774.99
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Solution
The fourth proportional to 784,226.90, 1,176,340.80 and 384,774.99 is: 577,162.71
Step by Step Solution
- Step 1: Write the proportion equation
784,226.90 : 1,176,340.80 = 384,774.99 : x - Step 2: Convert to fraction form
784,226.90/1,176,340.80 = 384,774.99/x - Step 3: Cross multiply
784,226.90x = 1,176,340.80 × 384,774.99 - Step 4: Simplify right side
784,226.90x = 452,626,519,556.59 - Step 5: Solve for x
x = 452,626,519,556.59/784,226.90 - Step 6: Final answer
x = 577,162.71
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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.