Finding the Fourth Proportional to 970,925.10, 1,456,879.58 and 646,934.65
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Solution
The fourth proportional to 970,925.10, 1,456,879.58 and 646,934.65 is: 970,729.74
Step by Step Solution
- Step 1: Write the proportion equation
970,925.10 : 1,456,879.58 = 646,934.65 : x - Step 2: Convert to fraction form
970,925.10/1,456,879.58 = 646,934.65/x - Step 3: Cross multiply
970,925.10x = 1,456,879.58 × 646,934.65 - Step 4: Simplify right side
970,925.10x = 942,505,877,638.30 - Step 5: Solve for x
x = 942,505,877,638.30/970,925.10 - Step 6: Final answer
x = 970,729.74
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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.