Finding the Fourth Proportional to 944,606.14, 1,303,558.46 and 618,143.08
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Solution
The fourth proportional to 944,606.14, 1,303,558.46 and 618,143.08 is: 853,038.75
Step by Step Solution
- Step 1: Write the proportion equation
944,606.14 : 1,303,558.46 = 618,143.08 : x - Step 2: Convert to fraction form
944,606.14/1,303,558.46 = 618,143.08/x - Step 3: Cross multiply
944,606.14x = 1,303,558.46 × 618,143.08 - Step 4: Simplify right side
944,606.14x = 805,785,641,424.46 - Step 5: Solve for x
x = 805,785,641,424.46/944,606.14 - Step 6: Final answer
x = 853,038.75
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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.