Finding the Fourth Proportional to 989,632.24, 1,365,692.52 and 559,903.12
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Solution
The fourth proportional to 989,632.24, 1,365,692.52 and 559,903.12 is: 772,666.32
Step by Step Solution
- Step 1: Write the proportion equation
989,632.24 : 1,365,692.52 = 559,903.12 : x - Step 2: Convert to fraction form
989,632.24/1,365,692.52 = 559,903.12/x - Step 3: Cross multiply
989,632.24x = 1,365,692.52 × 559,903.12 - Step 4: Simplify right side
989,632.24x = 764,655,502,908.66 - Step 5: Solve for x
x = 764,655,502,908.66/989,632.24 - Step 6: Final answer
x = 772,666.32
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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.