Finding the Fourth Proportional to 625,590.81, 864,032.67 and 411,685.74
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Solution
The fourth proportional to 625,590.81, 864,032.67 and 411,685.74 is: 568,598.39
Step by Step Solution
- Step 1: Write the proportion equation
625,590.81 : 864,032.67 = 411,685.74 : x - Step 2: Convert to fraction form
625,590.81/864,032.67 = 411,685.74/x - Step 3: Cross multiply
625,590.81x = 864,032.67 × 411,685.74 - Step 4: Simplify right side
625,590.81x = 355,709,929,133.13 - Step 5: Solve for x
x = 355,709,929,133.13/625,590.81 - Step 6: Final answer
x = 568,598.39
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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.