Finding the Fourth Proportional to 939,358.94, 1,296,317.67 and 509,638.96
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Solution
The fourth proportional to 939,358.94, 1,296,317.67 and 509,638.96 is: 703,303.02
Step by Step Solution
- Step 1: Write the proportion equation
939,358.94 : 1,296,317.67 = 509,638.96 : x - Step 2: Convert to fraction form
939,358.94/1,296,317.67 = 509,638.96/x - Step 3: Cross multiply
939,358.94x = 1,296,317.67 × 509,638.96 - Step 4: Simplify right side
939,358.94x = 660,653,982,686.84 - Step 5: Solve for x
x = 660,653,982,686.84/939,358.94 - Step 6: Final answer
x = 703,303.02
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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.