Finding the Fourth Proportional to 891,943.52, 1,230,367.36 and 569,290
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Solution
The fourth proportional to 891,943.52, 1,230,367.36 and 569,290 is: 785,291.69
Step by Step Solution
- Step 1: Write the proportion equation
891,943.52 : 1,230,367.36 = 569,290 : x - Step 2: Convert to fraction form
891,943.52/1,230,367.36 = 569,290/x - Step 3: Cross multiply
891,943.52x = 1,230,367.36 × 569,290 - Step 4: Simplify right side
891,943.52x = 700,435,834,374.40 - Step 5: Solve for x
x = 700,435,834,374.40/891,943.52 - Step 6: Final answer
x = 785,291.69
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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.