Finding the Fourth Proportional to 740,275.25, 1,110,412.71 and 403,599.05
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Solution
The fourth proportional to 740,275.25, 1,110,412.71 and 403,599.05 is: 605,398.49
Step by Step Solution
- Step 1: Write the proportion equation
740,275.25 : 1,110,412.71 = 403,599.05 : x - Step 2: Convert to fraction form
740,275.25/1,110,412.71 = 403,599.05/x - Step 3: Cross multiply
740,275.25x = 1,110,412.71 × 403,599.05 - Step 4: Simplify right side
740,275.25x = 448,161,513,475.91 - Step 5: Solve for x
x = 448,161,513,475.91/740,275.25 - Step 6: Final answer
x = 605,398.49
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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.