Finding the Fourth Proportional to 953,412.09, 1,315,731.41 and 523,701.23
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Solution
The fourth proportional to 953,412.09, 1,315,731.41 and 523,701.23 is: 722,720.17
Step by Step Solution
- Step 1: Write the proportion equation
953,412.09 : 1,315,731.41 = 523,701.23 : x - Step 2: Convert to fraction form
953,412.09/1,315,731.41 = 523,701.23/x - Step 3: Cross multiply
953,412.09x = 1,315,731.41 × 523,701.23 - Step 4: Simplify right side
953,412.09x = 689,050,148,569.47 - Step 5: Solve for x
x = 689,050,148,569.47/953,412.09 - Step 6: Final answer
x = 722,720.17
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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.