Finding the Fourth Proportional to 750,837.38, 1,036,155.77 and 411,317.70
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Solution
The fourth proportional to 750,837.38, 1,036,155.77 and 411,317.70 is: 567,618.53
Step by Step Solution
- Step 1: Write the proportion equation
750,837.38 : 1,036,155.77 = 411,317.70 : x - Step 2: Convert to fraction form
750,837.38/1,036,155.77 = 411,317.70/x - Step 3: Cross multiply
750,837.38x = 1,036,155.77 × 411,317.70 - Step 4: Simplify right side
750,837.38x = 426,189,208,158.13 - Step 5: Solve for x
x = 426,189,208,158.13/750,837.38 - Step 6: Final answer
x = 567,618.53
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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.