Finding the Fourth Proportional to 989,462.13, 1,365,460.37 and 536,753.13
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Solution
The fourth proportional to 989,462.13, 1,365,460.37 and 536,753.13 is: 740,720.74
Step by Step Solution
- Step 1: Write the proportion equation
989,462.13 : 1,365,460.37 = 536,753.13 : x - Step 2: Convert to fraction form
989,462.13/1,365,460.37 = 536,753.13/x - Step 3: Cross multiply
989,462.13x = 1,365,460.37 × 536,753.13 - Step 4: Simplify right side
989,462.13x = 732,915,124,804.69 - Step 5: Solve for x
x = 732,915,124,804.69/989,462.13 - Step 6: Final answer
x = 740,720.74
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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.