Finding the Fourth Proportional to 732,115.65, 1,010,340.71 and 409,823.84
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Solution
The fourth proportional to 732,115.65, 1,010,340.71 and 409,823.84 is: 565,568.72
Step by Step Solution
- Step 1: Write the proportion equation
732,115.65 : 1,010,340.71 = 409,823.84 : x - Step 2: Convert to fraction form
732,115.65/1,010,340.71 = 409,823.84/x - Step 3: Cross multiply
732,115.65x = 1,010,340.71 × 409,823.84 - Step 4: Simplify right side
732,115.65x = 414,061,709,480.53 - Step 5: Solve for x
x = 414,061,709,480.53/732,115.65 - Step 6: Final answer
x = 565,568.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.