Finding the Fourth Proportional to 739,244.84, 1,020,156.42 and 416,953.94
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Solution
The fourth proportional to 739,244.84, 1,020,156.42 and 416,953.94 is: 575,395.61
Step by Step Solution
- Step 1: Write the proportion equation
739,244.84 : 1,020,156.42 = 416,953.94 : x - Step 2: Convert to fraction form
739,244.84/1,020,156.42 = 416,953.94/x - Step 3: Cross multiply
739,244.84x = 1,020,156.42 × 416,953.94 - Step 4: Simplify right side
739,244.84x = 425,358,238,735.30 - Step 5: Solve for x
x = 425,358,238,735.30/739,244.84 - Step 6: Final answer
x = 575,395.61
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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.