Finding the Fourth Proportional to 719,352.64, 1,079,244.96 and 340,562.08
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Solution
The fourth proportional to 719,352.64, 1,079,244.96 and 340,562.08 is: 510,945.38
Step by Step Solution
- Step 1: Write the proportion equation
719,352.64 : 1,079,244.96 = 340,562.08 : x - Step 2: Convert to fraction form
719,352.64/1,079,244.96 = 340,562.08/x - Step 3: Cross multiply
719,352.64x = 1,079,244.96 × 340,562.08 - Step 4: Simplify right side
719,352.64x = 367,549,908,407.12 - Step 5: Solve for x
x = 367,549,908,407.12/719,352.64 - Step 6: Final answer
x = 510,945.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.