Finding the Fourth Proportional to 920,588.41, 1,270,386.28 and 512,690.14
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Solution
The fourth proportional to 920,588.41, 1,270,386.28 and 512,690.14 is: 707,498.07
Step by Step Solution
- Step 1: Write the proportion equation
920,588.41 : 1,270,386.28 = 512,690.14 : x - Step 2: Convert to fraction form
920,588.41/1,270,386.28 = 512,690.14/x - Step 3: Cross multiply
920,588.41x = 1,270,386.28 × 512,690.14 - Step 4: Simplify right side
920,588.41x = 651,314,519,747.28 - Step 5: Solve for x
x = 651,314,519,747.28/920,588.41 - Step 6: Final answer
x = 707,498.07
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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.