Finding the Fourth Proportional to 710,134.68, 979,980.60 and 387,844.92
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Solution
The fourth proportional to 710,134.68, 979,980.60 and 387,844.92 is: 535,223.12
Step by Step Solution
- Step 1: Write the proportion equation
710,134.68 : 979,980.60 = 387,844.92 : x - Step 2: Convert to fraction form
710,134.68/979,980.60 = 387,844.92/x - Step 3: Cross multiply
710,134.68x = 979,980.60 × 387,844.92 - Step 4: Simplify right side
710,134.68x = 380,080,497,408.55 - Step 5: Solve for x
x = 380,080,497,408.55/710,134.68 - Step 6: Final answer
x = 535,223.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.