Finding the Fourth Proportional to 804,875.20, 1,110,721.28 and 437,349.12
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Solution
The fourth proportional to 804,875.20, 1,110,721.28 and 437,349.12 is: 603,538.26
Step by Step Solution
- Step 1: Write the proportion equation
804,875.20 : 1,110,721.28 = 437,349.12 : x - Step 2: Convert to fraction form
804,875.20/1,110,721.28 = 437,349.12/x - Step 3: Cross multiply
804,875.20x = 1,110,721.28 × 437,349.12 - Step 4: Simplify right side
804,875.20x = 485,772,974,373.27 - Step 5: Solve for x
x = 485,772,974,373.27/804,875.20 - Step 6: Final answer
x = 603,538.26
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1.5x scale
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.