Finding the Fourth Proportional to 652,921.20, 979,358.94 and 268,656.18
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Solution
The fourth proportional to 652,921.20, 979,358.94 and 268,656.18 is: 402,974.86
Step by Step Solution
- Step 1: Write the proportion equation
652,921.20 : 979,358.94 = 268,656.18 : x - Step 2: Convert to fraction form
652,921.20/979,358.94 = 268,656.18/x - Step 3: Cross multiply
652,921.20x = 979,358.94 × 268,656.18 - Step 4: Simplify right side
652,921.20x = 263,110,831,669.25 - Step 5: Solve for x
x = 263,110,831,669.25/652,921.20 - Step 6: Final answer
x = 402,974.86
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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.