Finding the Fourth Proportional to 909,299.99, 1,255,264.40 and 527,187.35
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Solution
The fourth proportional to 909,299.99, 1,255,264.40 and 527,187.35 is: 727,768.09
Step by Step Solution
- Step 1: Write the proportion equation
909,299.99 : 1,255,264.40 = 527,187.35 : x - Step 2: Convert to fraction form
909,299.99/1,255,264.40 = 527,187.35/x - Step 3: Cross multiply
909,299.99x = 1,255,264.40 × 527,187.35 - Step 4: Simplify right side
909,299.99x = 661,759,517,041.47 - Step 5: Solve for x
x = 661,759,517,041.47/909,299.99 - Step 6: Final answer
x = 727,768.09
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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.