Finding the Fourth Proportional to 751,069.16, 1,121,140.29 and 695,563.10
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Solution
The fourth proportional to 751,069.16, 1,121,140.29 and 695,563.10 is: 1,038,284.96
Step by Step Solution
- Step 1: Write the proportion equation
751,069.16 : 1,121,140.29 = 695,563.10 : x - Step 2: Convert to fraction form
751,069.16/1,121,140.29 = 695,563.10/x - Step 3: Cross multiply
751,069.16x = 1,121,140.29 × 695,563.10 - Step 4: Simplify right side
751,069.16x = 779,823,812,941.69 - Step 5: Solve for x
x = 779,823,812,941.69/751,069.16 - Step 6: Final answer
x = 1,038,284.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.