Finding the Fourth Proportional to 936,237.90, 1,403,115.34 and 480,810.74
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Solution
The fourth proportional to 936,237.90, 1,403,115.34 and 480,810.74 is: 720,578.52
Step by Step Solution
- Step 1: Write the proportion equation
936,237.90 : 1,403,115.34 = 480,810.74 : x - Step 2: Convert to fraction form
936,237.90/1,403,115.34 = 480,810.74/x - Step 3: Cross multiply
936,237.90x = 1,403,115.34 × 480,810.74 - Step 4: Simplify right side
936,237.90x = 674,632,926,132.78 - Step 5: Solve for x
x = 674,632,926,132.78/936,237.90 - Step 6: Final answer
x = 720,578.52
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1.5x scale
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.