Finding the Fourth Proportional to 913,835.36, 1,260,927.87 and 526,580.84
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Solution
The fourth proportional to 913,835.36, 1,260,927.87 and 526,580.84 is: 726,586.52
Step by Step Solution
- Step 1: Write the proportion equation
913,835.36 : 1,260,927.87 = 526,580.84 : x - Step 2: Convert to fraction form
913,835.36/1,260,927.87 = 526,580.84/x - Step 3: Cross multiply
913,835.36x = 1,260,927.87 × 526,580.84 - Step 4: Simplify right side
913,835.36x = 663,980,456,964.01 - Step 5: Solve for x
x = 663,980,456,964.01/913,835.36 - Step 6: Final answer
x = 726,586.52
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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.