Finding the Fourth Proportional to 904,811.79, 1,249,125.04 and 697,627.68
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Solution
The fourth proportional to 904,811.79, 1,249,125.04 and 697,627.68 is: 963,099.97
Step by Step Solution
- Step 1: Write the proportion equation
904,811.79 : 1,249,125.04 = 697,627.68 : x - Step 2: Convert to fraction form
904,811.79/1,249,125.04 = 697,627.68/x - Step 3: Cross multiply
904,811.79x = 1,249,125.04 × 697,627.68 - Step 4: Simplify right side
904,811.79x = 871,424,203,685.11 - Step 5: Solve for x
x = 871,424,203,685.11/904,811.79 - Step 6: Final answer
x = 963,099.97
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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.