Finding the Fourth Proportional to 783,547.16, 1,081,450.16 and 508,246.19
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Solution
The fourth proportional to 783,547.16, 1,081,450.16 and 508,246.19 is: 701,480.33
Step by Step Solution
- Step 1: Write the proportion equation
783,547.16 : 1,081,450.16 = 508,246.19 : x - Step 2: Convert to fraction form
783,547.16/1,081,450.16 = 508,246.19/x - Step 3: Cross multiply
783,547.16x = 1,081,450.16 × 508,246.19 - Step 4: Simplify right side
783,547.16x = 549,642,915,546.41 - Step 5: Solve for x
x = 549,642,915,546.41/783,547.16 - Step 6: Final answer
x = 701,480.33
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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.