Finding the Fourth Proportional to 739,524.84, 1,020,456.48 and 417,216.12
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Solution
The fourth proportional to 739,524.84, 1,020,456.48 and 417,216.12 is: 575,708.71
Step by Step Solution
- Step 1: Write the proportion equation
739,524.84 : 1,020,456.48 = 417,216.12 : x - Step 2: Convert to fraction form
739,524.84/1,020,456.48 = 417,216.12/x - Step 3: Cross multiply
739,524.84x = 1,020,456.48 × 417,216.12 - Step 4: Simplify right side
739,524.84x = 425,750,893,214.46 - Step 5: Solve for x
x = 425,750,893,214.46/739,524.84 - Step 6: Final answer
x = 575,708.71
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1.5x scale
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.