Finding the Fourth Proportional to 829,743.68, 1,145,069.44 and 507,448
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Solution
The fourth proportional to 829,743.68, 1,145,069.44 and 507,448 is: 700,292.40
Step by Step Solution
- Step 1: Write the proportion equation
829,743.68 : 1,145,069.44 = 507,448 : x - Step 2: Convert to fraction form
829,743.68/1,145,069.44 = 507,448/x - Step 3: Cross multiply
829,743.68x = 1,145,069.44 × 507,448 - Step 4: Simplify right side
829,743.68x = 581,063,197,189.12 - Step 5: Solve for x
x = 581,063,197,189.12/829,743.68 - Step 6: Final answer
x = 700,292.40
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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.