Finding the Fourth Proportional to 785,946.24, 1,084,609.44 and 446,433.12
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Solution
The fourth proportional to 785,946.24, 1,084,609.44 and 446,433.12 is: 616,079.77
Step by Step Solution
- Step 1: Write the proportion equation
785,946.24 : 1,084,609.44 = 446,433.12 : x - Step 2: Convert to fraction form
785,946.24/1,084,609.44 = 446,433.12/x - Step 3: Cross multiply
785,946.24x = 1,084,609.44 × 446,433.12 - Step 4: Simplify right side
785,946.24x = 484,205,576,280.65 - Step 5: Solve for x
x = 484,205,576,280.65/785,946.24 - Step 6: Final answer
x = 616,079.77
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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.