Finding the Fourth Proportional to 719,354.64, 1,079,247.96 and 340,564.08
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Solution
The fourth proportional to 719,354.64, 1,079,247.96 and 340,564.08 is: 510,948.38
Step by Step Solution
- Step 1: Write the proportion equation
719,354.64 : 1,079,247.96 = 340,564.08 : x - Step 2: Convert to fraction form
719,354.64/1,079,247.96 = 340,564.08/x - Step 3: Cross multiply
719,354.64x = 1,079,247.96 × 340,564.08 - Step 4: Simplify right side
719,354.64x = 367,553,088,589.28 - Step 5: Solve for x
x = 367,553,088,589.28/719,354.64 - Step 6: Final answer
x = 510,948.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.