Finding the Fourth Proportional to 862,929.99, 1,190,579.50 and 500,281.49
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Solution
The fourth proportional to 862,929.99, 1,190,579.50 and 500,281.49 is: 690,235.47
Step by Step Solution
- Step 1: Write the proportion equation
862,929.99 : 1,190,579.50 = 500,281.49 : x - Step 2: Convert to fraction form
862,929.99/1,190,579.50 = 500,281.49/x - Step 3: Cross multiply
862,929.99x = 1,190,579.50 × 500,281.49 - Step 4: Simplify right side
862,929.99x = 595,624,886,223.46 - Step 5: Solve for x
x = 595,624,886,223.46/862,929.99 - Step 6: Final answer
x = 690,235.47
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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.