Finding the Fourth Proportional to 904,812.68, 1,249,126.25 and 697,628.55
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Solution
The fourth proportional to 904,812.68, 1,249,126.25 and 697,628.55 is: 963,101.15
Step by Step Solution
- Step 1: Write the proportion equation
904,812.68 : 1,249,126.25 = 697,628.55 : x - Step 2: Convert to fraction form
904,812.68/1,249,126.25 = 697,628.55/x - Step 3: Cross multiply
904,812.68x = 1,249,126.25 × 697,628.55 - Step 4: Simplify right side
904,812.68x = 871,426,131,066.30 - Step 5: Solve for x
x = 871,426,131,066.30/904,812.68 - Step 6: Final answer
x = 963,101.15
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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.