Finding the Fourth Proportional to 936,927.95, 1,292,960.97 and 507,208.07
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Solution
The fourth proportional to 936,927.95, 1,292,960.97 and 507,208.07 is: 699,947.35
Step by Step Solution
- Step 1: Write the proportion equation
936,927.95 : 1,292,960.97 = 507,208.07 : x - Step 2: Convert to fraction form
936,927.95/1,292,960.97 = 507,208.07/x - Step 3: Cross multiply
936,927.95x = 1,292,960.97 × 507,208.07 - Step 4: Simplify right side
936,927.95x = 655,800,238,179.03 - Step 5: Solve for x
x = 655,800,238,179.03/936,927.95 - Step 6: Final answer
x = 699,947.35
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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.