Finding the Fourth Proportional to 692,752.20, 1,037,054.70 and 618,102.60
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Solution
The fourth proportional to 692,752.20, 1,037,054.70 and 618,102.60 is: 925,303.75
Step by Step Solution
- Step 1: Write the proportion equation
692,752.20 : 1,037,054.70 = 618,102.60 : x - Step 2: Convert to fraction form
692,752.20/1,037,054.70 = 618,102.60/x - Step 3: Cross multiply
692,752.20x = 1,037,054.70 × 618,102.60 - Step 4: Simplify right side
692,752.20x = 641,006,206,412.22 - Step 5: Solve for x
x = 641,006,206,412.22/692,752.20 - Step 6: Final answer
x = 925,303.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.