Finding the Fourth Proportional to 999,216.96, 1,378,835.68 and 563,610.24
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Solution
The fourth proportional to 999,216.96, 1,378,835.68 and 563,610.24 is: 777,734.91
Step by Step Solution
- Step 1: Write the proportion equation
999,216.96 : 1,378,835.68 = 563,610.24 : x - Step 2: Convert to fraction form
999,216.96/1,378,835.68 = 563,610.24/x - Step 3: Cross multiply
999,216.96x = 1,378,835.68 × 563,610.24 - Step 4: Simplify right side
999,216.96x = 777,125,908,525.36 - Step 5: Solve for x
x = 777,125,908,525.36/999,216.96 - Step 6: Final answer
x = 777,734.91
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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.