Finding the Fourth Proportional to 979,259.24, 1,467,509.88 and 778,689.56
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Solution
The fourth proportional to 979,259.24, 1,467,509.88 and 778,689.56 is: 1,166,937.80
Step by Step Solution
- Step 1: Write the proportion equation
979,259.24 : 1,467,509.88 = 778,689.56 : x - Step 2: Convert to fraction form
979,259.24/1,467,509.88 = 778,689.56/x - Step 3: Cross multiply
979,259.24x = 1,467,509.88 × 778,689.56 - Step 4: Simplify right side
979,259.24x = 1,142,734,622,752.85 - Step 5: Solve for x
x = 1,142,734,622,752.85/979,259.24 - Step 6: Final answer
x = 1,166,937.80
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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.